Formula deep page
Proportion Test
a:b::c:d if and only if a×d = b×c
This formula belongs to the chapter "Ratio and Proportion" in Class 6 Mathematics. Use it after identifying the right variables, matching the chapter context, and writing the substitution clearly.
How to use it
- Identify the quantity you need to find.
- Check the related variables and units from the question.
- Substitute values carefully into the formula.
- Simplify step by step and write the final statement.
Worked cue
3:4::6:8 → 3×8=24, 4×6=24 ✓ In proportion