Home / 8,469.29-12,701.60-3,538.11

Finding the Fourth Proportional to 8,469.29, 12,701.60 and 3,538.11

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Solution

The fourth proportional to 8,469.29, 12,701.60 and 3,538.11 is: 5,306.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,469.29 : 12,701.60 = 3,538.11 : x
  2. Step 2: Convert to fraction form
    8,469.29/12,701.60 = 3,538.11/x
  3. Step 3: Cross multiply
    8,469.29x = 12,701.60 × 3,538.11
  4. Step 4: Simplify right side
    8,469.29x = 44,939,605.92
  5. Step 5: Solve for x
    x = 44,939,605.92/8,469.29
  6. Step 6: Final answer
    x = 5,306.19

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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.