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Finding the Fourth Proportional to 8,901, 13,353.78 and 3,354.39

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Solution

The fourth proportional to 8,901, 13,353.78 and 3,354.39 is: 5,032.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901 : 13,353.78 = 3,354.39 : x
  2. Step 2: Convert to fraction form
    8,901/13,353.78 = 3,354.39/x
  3. Step 3: Cross multiply
    8,901x = 13,353.78 × 3,354.39
  4. Step 4: Simplify right side
    8,901x = 44,793,786.09
  5. Step 5: Solve for x
    x = 44,793,786.09/8,901
  6. Step 6: Final answer
    x = 5,032.44

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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.