Home / 8,169.44-12,252.59-3,171.81

Finding the Fourth Proportional to 8,169.44, 12,252.59 and 3,171.81

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Solution

The fourth proportional to 8,169.44, 12,252.59 and 3,171.81 is: 4,757.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.44 : 12,252.59 = 3,171.81 : x
  2. Step 2: Convert to fraction form
    8,169.44/12,252.59 = 3,171.81/x
  3. Step 3: Cross multiply
    8,169.44x = 12,252.59 × 3,171.81
  4. Step 4: Simplify right side
    8,169.44x = 38,862,895.42
  5. Step 5: Solve for x
    x = 38,862,895.42/8,169.44
  6. Step 6: Final answer
    x = 4,757.11

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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.