Home / 8,171.73-12,248.93-3,487.91

Finding the Fourth Proportional to 8,171.73, 12,248.93 and 3,487.91

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Solution

The fourth proportional to 8,171.73, 12,248.93 and 3,487.91 is: 5,228.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.73 : 12,248.93 = 3,487.91 : x
  2. Step 2: Convert to fraction form
    8,171.73/12,248.93 = 3,487.91/x
  3. Step 3: Cross multiply
    8,171.73x = 12,248.93 × 3,487.91
  4. Step 4: Simplify right side
    8,171.73x = 42,723,112.91
  5. Step 5: Solve for x
    x = 42,723,112.91/8,171.73
  6. Step 6: Final answer
    x = 5,228.16

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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.