Home / 8,787.17-12,126.33-4,753.98

Finding the Fourth Proportional to 8,787.17, 12,126.33 and 4,753.98

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Solution

The fourth proportional to 8,787.17, 12,126.33 and 4,753.98 is: 6,560.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787.17 : 12,126.33 = 4,753.98 : x
  2. Step 2: Convert to fraction form
    8,787.17/12,126.33 = 4,753.98/x
  3. Step 3: Cross multiply
    8,787.17x = 12,126.33 × 4,753.98
  4. Step 4: Simplify right side
    8,787.17x = 57,648,306.52
  5. Step 5: Solve for x
    x = 57,648,306.52/8,787.17
  6. Step 6: Final answer
    x = 6,560.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.