Home / 8,517.83-12,772.53-3,177.27

Finding the Fourth Proportional to 8,517.83, 12,772.53 and 3,177.27

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Solution

The fourth proportional to 8,517.83, 12,772.53 and 3,177.27 is: 4,764.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.83 : 12,772.53 = 3,177.27 : x
  2. Step 2: Convert to fraction form
    8,517.83/12,772.53 = 3,177.27/x
  3. Step 3: Cross multiply
    8,517.83x = 12,772.53 × 3,177.27
  4. Step 4: Simplify right side
    8,517.83x = 40,581,776.39
  5. Step 5: Solve for x
    x = 40,581,776.39/8,517.83
  6. Step 6: Final answer
    x = 4,764.34

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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.