Home / 8,337.53-12,498.26-2,787.78

Finding the Fourth Proportional to 8,337.53, 12,498.26 and 2,787.78

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Solution

The fourth proportional to 8,337.53, 12,498.26 and 2,787.78 is: 4,178.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,337.53 : 12,498.26 = 2,787.78 : x
  2. Step 2: Convert to fraction form
    8,337.53/12,498.26 = 2,787.78/x
  3. Step 3: Cross multiply
    8,337.53x = 12,498.26 × 2,787.78
  4. Step 4: Simplify right side
    8,337.53x = 34,842,385.32
  5. Step 5: Solve for x
    x = 34,842,385.32/8,337.53
  6. Step 6: Final answer
    x = 4,178.98

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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.