Home / 9,172.31-13,747.82-3,905.66

Finding the Fourth Proportional to 9,172.31, 13,747.82 and 3,905.66

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Solution

The fourth proportional to 9,172.31, 13,747.82 and 3,905.66 is: 5,853.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.31 : 13,747.82 = 3,905.66 : x
  2. Step 2: Convert to fraction form
    9,172.31/13,747.82 = 3,905.66/x
  3. Step 3: Cross multiply
    9,172.31x = 13,747.82 × 3,905.66
  4. Step 4: Simplify right side
    9,172.31x = 53,694,310.66
  5. Step 5: Solve for x
    x = 53,694,310.66/9,172.31
  6. Step 6: Final answer
    x = 5,853.96

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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.