Home / 9,002.16-13,508.09-4,385.16

Finding the Fourth Proportional to 9,002.16, 13,508.09 and 4,385.16

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Solution

The fourth proportional to 9,002.16, 13,508.09 and 4,385.16 is: 6,580.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,002.16 : 13,508.09 = 4,385.16 : x
  2. Step 2: Convert to fraction form
    9,002.16/13,508.09 = 4,385.16/x
  3. Step 3: Cross multiply
    9,002.16x = 13,508.09 × 4,385.16
  4. Step 4: Simplify right side
    9,002.16x = 59,235,104.47
  5. Step 5: Solve for x
    x = 59,235,104.47/9,002.16
  6. Step 6: Final answer
    x = 6,580.10

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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.