Finding the Fourth Proportional to 7,437.77, 11,157.36 and 2,508.92
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Solution
The fourth proportional to 7,437.77, 11,157.36 and 2,508.92 is: 3,763.62
Step by Step Solution
- Step 1: Write the proportion equation
7,437.77 : 11,157.36 = 2,508.92 : x - Step 2: Convert to fraction form
7,437.77/11,157.36 = 2,508.92/x - Step 3: Cross multiply
7,437.77x = 11,157.36 × 2,508.92 - Step 4: Simplify right side
7,437.77x = 27,992,923.65 - Step 5: Solve for x
x = 27,992,923.65/7,437.77 - Step 6: Final answer
x = 3,763.62
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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.