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Finding the Fourth Proportional to 8,348.14, 11,508.14 and 6,355.22

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Solution

The fourth proportional to 8,348.14, 11,508.14 and 6,355.22 is: 8,760.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.14 : 11,508.14 = 6,355.22 : x
  2. Step 2: Convert to fraction form
    8,348.14/11,508.14 = 6,355.22/x
  3. Step 3: Cross multiply
    8,348.14x = 11,508.14 × 6,355.22
  4. Step 4: Simplify right side
    8,348.14x = 73,136,761.49
  5. Step 5: Solve for x
    x = 73,136,761.49/8,348.14
  6. Step 6: Final answer
    x = 8,760.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.