Finding the Third Proportional to 4,987 and 7,744
Calculator
Solution
The third proportional to 4,987 and 7,744 is: 12,025.17
Step by Step Solution
- Step 1: Write the proportion equation
4,987 : 7,744 = 7,744 : x - Step 2: Convert to fraction form
4,987/7,744 = 7,744/x - Step 3: Cross multiply
4,987x = 7,744 × 7,744 - Step 4: Simplify right side
4,987x = 59,969,536 - Step 5: Solve for x
x = 59,969,536/4,987 - Step 6: Final answer
x = 12,025.17
Related Problems
Find third proportional to 2,493.50 and 3,872
Half scale
Find third proportional to 9,974 and 15,488
Double scale
Find third proportional to 4,989 and 7,747
Similar ratio
Find third proportional to 7,480.50 and 11,616
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.