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Finding the Fourth Proportional to 8,334.72, 12,502.08 and 2,787.04

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Solution

The fourth proportional to 8,334.72, 12,502.08 and 2,787.04 is: 4,180.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,334.72 : 12,502.08 = 2,787.04 : x
  2. Step 2: Convert to fraction form
    8,334.72/12,502.08 = 2,787.04/x
  3. Step 3: Cross multiply
    8,334.72x = 12,502.08 × 2,787.04
  4. Step 4: Simplify right side
    8,334.72x = 34,843,797.04
  5. Step 5: Solve for x
    x = 34,843,797.04/8,334.72
  6. Step 6: Final answer
    x = 4,180.56

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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.