Home / 8,787.27-13,180.91-2,213.97

Finding the Fourth Proportional to 8,787.27, 13,180.91 and 2,213.97

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Solution

The fourth proportional to 8,787.27, 13,180.91 and 2,213.97 is: 3,320.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787.27 : 13,180.91 = 2,213.97 : x
  2. Step 2: Convert to fraction form
    8,787.27/13,180.91 = 2,213.97/x
  3. Step 3: Cross multiply
    8,787.27x = 13,180.91 × 2,213.97
  4. Step 4: Simplify right side
    8,787.27x = 29,182,139.31
  5. Step 5: Solve for x
    x = 29,182,139.31/8,787.27
  6. Step 6: Final answer
    x = 3,320.96

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1.5x scale

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.