Home / 8,135.17-12,207.76-3,752.96

Finding the Fourth Proportional to 8,135.17, 12,207.76 and 3,752.96

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Solution

The fourth proportional to 8,135.17, 12,207.76 and 3,752.96 is: 5,631.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,135.17 : 12,207.76 = 3,752.96 : x
  2. Step 2: Convert to fraction form
    8,135.17/12,207.76 = 3,752.96/x
  3. Step 3: Cross multiply
    8,135.17x = 12,207.76 × 3,752.96
  4. Step 4: Simplify right side
    8,135.17x = 45,815,164.55
  5. Step 5: Solve for x
    x = 45,815,164.55/8,135.17
  6. Step 6: Final answer
    x = 5,631.74

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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.