Finding the Fourth Proportional to 4.34, 6 and 3.70
Calculator
Solution
The fourth proportional to 4.34, 6 and 3.70 is: 5.12
Step by Step Solution
- Step 1: Write the proportion equation
4.34 : 6 = 3.70 : x - Step 2: Convert to fraction form
4.34/6 = 3.70/x - Step 3: Cross multiply
4.34x = 6 × 3.70 - Step 4: Simplify right side
4.34x = 22.20 - Step 5: Solve for x
x = 22.20/4.34 - Step 6: Final answer
x = 5.12
Related Problems
Find fourth proportional to 2.17, 3 and 1.85
Half scale
Find fourth proportional to 8.68, 12 and 7.40
Double scale
Find fourth proportional to 5.34, 7.38 and 4.70
Similar ratio
Find fourth proportional to 6.51, 9 and 5.55
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.