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Finding the Fourth Proportional to 8,753.67, 13,134.15 and 4,369.95

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Solution

The fourth proportional to 8,753.67, 13,134.15 and 4,369.95 is: 6,556.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.67 : 13,134.15 = 4,369.95 : x
  2. Step 2: Convert to fraction form
    8,753.67/13,134.15 = 4,369.95/x
  3. Step 3: Cross multiply
    8,753.67x = 13,134.15 × 4,369.95
  4. Step 4: Simplify right side
    8,753.67x = 57,395,578.79
  5. Step 5: Solve for x
    x = 57,395,578.79/8,753.67
  6. Step 6: Final answer
    x = 6,556.74

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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.