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Finding the Fourth Proportional to 8,906, 13,359.18 and 2,750

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Solution

The fourth proportional to 8,906, 13,359.18 and 2,750 is: 4,125.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906 : 13,359.18 = 2,750 : x
  2. Step 2: Convert to fraction form
    8,906/13,359.18 = 2,750/x
  3. Step 3: Cross multiply
    8,906x = 13,359.18 × 2,750
  4. Step 4: Simplify right side
    8,906x = 36,737,745
  5. Step 5: Solve for x
    x = 36,737,745/8,906
  6. Step 6: Final answer
    x = 4,125.06

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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.