Finding the Fourth Proportional to 7.07, 10.58 and 6
Calculator
Solution
The fourth proportional to 7.07, 10.58 and 6 is: 8.98
Step by Step Solution
- Step 1: Write the proportion equation
7.07 : 10.58 = 6 : x - Step 2: Convert to fraction form
7.07/10.58 = 6/x - Step 3: Cross multiply
7.07x = 10.58 × 6 - Step 4: Simplify right side
7.07x = 63.48 - Step 5: Solve for x
x = 63.48/7.07 - Step 6: Final answer
x = 8.98
Related Problems
Find fourth proportional to 3.54, 5.29 and 3
Half scale
Find fourth proportional to 14.14, 21.16 and 12
Double scale
Find fourth proportional to 8.07, 12.08 and 7
Similar ratio
Find fourth proportional to 10.61, 15.87 and 9
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.