Finding the Fourth Proportional to 7,486.26, 11,234.28 and 2,869.26
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Solution
The fourth proportional to 7,486.26, 11,234.28 and 2,869.26 is: 4,305.76
Step by Step Solution
- Step 1: Write the proportion equation
7,486.26 : 11,234.28 = 2,869.26 : x - Step 2: Convert to fraction form
7,486.26/11,234.28 = 2,869.26/x - Step 3: Cross multiply
7,486.26x = 11,234.28 × 2,869.26 - Step 4: Simplify right side
7,486.26x = 32,234,070.23 - Step 5: Solve for x
x = 32,234,070.23/7,486.26 - Step 6: Final answer
x = 4,305.76
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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.