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Finding the Fourth Proportional to 8,832, 13,251.12 and 3,901

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Solution

The fourth proportional to 8,832, 13,251.12 and 3,901 is: 5,852.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,832 : 13,251.12 = 3,901 : x
  2. Step 2: Convert to fraction form
    8,832/13,251.12 = 3,901/x
  3. Step 3: Cross multiply
    8,832x = 13,251.12 × 3,901
  4. Step 4: Simplify right side
    8,832x = 51,692,619.12
  5. Step 5: Solve for x
    x = 51,692,619.12/8,832
  6. Step 6: Final answer
    x = 5,852.88

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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.