Home / 8,524.38-12,787.78-2,681.44

Finding the Fourth Proportional to 8,524.38, 12,787.78 and 2,681.44

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Solution

The fourth proportional to 8,524.38, 12,787.78 and 2,681.44 is: 4,022.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,524.38 : 12,787.78 = 2,681.44 : x
  2. Step 2: Convert to fraction form
    8,524.38/12,787.78 = 2,681.44/x
  3. Step 3: Cross multiply
    8,524.38x = 12,787.78 × 2,681.44
  4. Step 4: Simplify right side
    8,524.38x = 34,289,664.80
  5. Step 5: Solve for x
    x = 34,289,664.80/8,524.38
  6. Step 6: Final answer
    x = 4,022.54

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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.