Home / 8,177.62-12,267.16-2,631.46

Finding the Fourth Proportional to 8,177.62, 12,267.16 and 2,631.46

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Solution

The fourth proportional to 8,177.62, 12,267.16 and 2,631.46 is: 3,947.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.62 : 12,267.16 = 2,631.46 : x
  2. Step 2: Convert to fraction form
    8,177.62/12,267.16 = 2,631.46/x
  3. Step 3: Cross multiply
    8,177.62x = 12,267.16 × 2,631.46
  4. Step 4: Simplify right side
    8,177.62x = 32,280,540.85
  5. Step 5: Solve for x
    x = 32,280,540.85/8,177.62
  6. Step 6: Final answer
    x = 3,947.42

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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.