Home / 8,353.52-12,531.95-2,731.56

Finding the Fourth Proportional to 8,353.52, 12,531.95 and 2,731.56

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Solution

The fourth proportional to 8,353.52, 12,531.95 and 2,731.56 is: 4,097.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353.52 : 12,531.95 = 2,731.56 : x
  2. Step 2: Convert to fraction form
    8,353.52/12,531.95 = 2,731.56/x
  3. Step 3: Cross multiply
    8,353.52x = 12,531.95 × 2,731.56
  4. Step 4: Simplify right side
    8,353.52x = 34,231,759.68
  5. Step 5: Solve for x
    x = 34,231,759.68/8,353.52
  6. Step 6: Final answer
    x = 4,097.89

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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.