Finding the Fourth Proportional to 7,329.48, 10,995.48 and 2,397.72
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Solution
The fourth proportional to 7,329.48, 10,995.48 and 2,397.72 is: 3,596.99
Step by Step Solution
- Step 1: Write the proportion equation
7,329.48 : 10,995.48 = 2,397.72 : x - Step 2: Convert to fraction form
7,329.48/10,995.48 = 2,397.72/x - Step 3: Cross multiply
7,329.48x = 10,995.48 × 2,397.72 - Step 4: Simplify right side
7,329.48x = 26,364,082.31 - Step 5: Solve for x
x = 26,364,082.31/7,329.48 - Step 6: Final answer
x = 3,596.99
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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.