Home / 8,766.31-13,144.60-2,919.73

Finding the Fourth Proportional to 8,766.31, 13,144.60 and 2,919.73

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Solution

The fourth proportional to 8,766.31, 13,144.60 and 2,919.73 is: 4,377.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.31 : 13,144.60 = 2,919.73 : x
  2. Step 2: Convert to fraction form
    8,766.31/13,144.60 = 2,919.73/x
  3. Step 3: Cross multiply
    8,766.31x = 13,144.60 × 2,919.73
  4. Step 4: Simplify right side
    8,766.31x = 38,378,682.96
  5. Step 5: Solve for x
    x = 38,378,682.96/8,766.31
  6. Step 6: Final answer
    x = 4,377.97

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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.