Home / 8,718.52-13,077.53-3,171.96

Finding the Fourth Proportional to 8,718.52, 13,077.53 and 3,171.96

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Solution

The fourth proportional to 8,718.52, 13,077.53 and 3,171.96 is: 4,757.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.52 : 13,077.53 = 3,171.96 : x
  2. Step 2: Convert to fraction form
    8,718.52/13,077.53 = 3,171.96/x
  3. Step 3: Cross multiply
    8,718.52x = 13,077.53 × 3,171.96
  4. Step 4: Simplify right side
    8,718.52x = 41,481,386.20
  5. Step 5: Solve for x
    x = 41,481,386.20/8,718.52
  6. Step 6: Final answer
    x = 4,757.85

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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.