Home / 8,204.47-12,305.92-3,272.79

Finding the Fourth Proportional to 8,204.47, 12,305.92 and 3,272.79

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Solution

The fourth proportional to 8,204.47, 12,305.92 and 3,272.79 is: 4,908.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,204.47 : 12,305.92 = 3,272.79 : x
  2. Step 2: Convert to fraction form
    8,204.47/12,305.92 = 3,272.79/x
  3. Step 3: Cross multiply
    8,204.47x = 12,305.92 × 3,272.79
  4. Step 4: Simplify right side
    8,204.47x = 40,274,691.92
  5. Step 5: Solve for x
    x = 40,274,691.92/8,204.47
  6. Step 6: Final answer
    x = 4,908.87

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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.