Finding the Fourth Proportional to 7,074.23, 10,609.97 and 6,722.99
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Solution
The fourth proportional to 7,074.23, 10,609.97 and 6,722.99 is: 10,083.17
Step by Step Solution
- Step 1: Write the proportion equation
7,074.23 : 10,609.97 = 6,722.99 : x - Step 2: Convert to fraction form
7,074.23/10,609.97 = 6,722.99/x - Step 3: Cross multiply
7,074.23x = 10,609.97 × 6,722.99 - Step 4: Simplify right side
7,074.23x = 71,330,635.55 - Step 5: Solve for x
x = 71,330,635.55/7,074.23 - Step 6: Final answer
x = 10,083.17
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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.