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Finding the Fourth Proportional to 9,073.62, 13,609.11 and 2,832.18

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Solution

The fourth proportional to 9,073.62, 13,609.11 and 2,832.18 is: 4,247.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,073.62 : 13,609.11 = 2,832.18 : x
  2. Step 2: Convert to fraction form
    9,073.62/13,609.11 = 2,832.18/x
  3. Step 3: Cross multiply
    9,073.62x = 13,609.11 × 2,832.18
  4. Step 4: Simplify right side
    9,073.62x = 38,543,449.16
  5. Step 5: Solve for x
    x = 38,543,449.16/9,073.62
  6. Step 6: Final answer
    x = 4,247.86

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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.