Numbers and algebra
Proportion
An equation stating that two ratios are equal.
Common notationa/b = c/d
In one sentence
What does Proportion mean?
An equation stating that two ratios are equal.
How it is written
a/b = c/d
A compact example
If 2/3 = x/12, then x = 8.
Other names and search terms
proportional relationship.
Where this fits
When should you learn Proportion?
The first encounter is not the final level. Many ideas begin visually, become computational in high school and become formal in college.
- 1Pre-high schoolUsually introduced
- 2High schoolGreater depth
- 3CollegeGreater depth
- 4AdvancedGreater depth
- Arithmetic
- Algebra
- Basic arithmetic
- Equations
- Functions
- Precalculus
Algebra is part of the calculation language used throughout the path.
Open the Zero-to-QM pathClear answers
Questions about Proportion
What does Proportion mean in mathematics?
An equation stating that two ratios are equal.
How is Proportion written?
A common notation is a/b = c/d.
What is an example of Proportion?
If 2/3 = x/12, then x = 8.