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Finding the Fourth Proportional to 8,044.38, 12,069 and 5,422.41

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Solution

The fourth proportional to 8,044.38, 12,069 and 5,422.41 is: 8,135.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,044.38 : 12,069 = 5,422.41 : x
  2. Step 2: Convert to fraction form
    8,044.38/12,069 = 5,422.41/x
  3. Step 3: Cross multiply
    8,044.38x = 12,069 × 5,422.41
  4. Step 4: Simplify right side
    8,044.38x = 65,443,066.29
  5. Step 5: Solve for x
    x = 65,443,066.29/8,044.38
  6. Step 6: Final answer
    x = 8,135.25

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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.