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Finding the Fourth Proportional to 8,337.87, 12,512.03 and 4,335.66

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Solution

The fourth proportional to 8,337.87, 12,512.03 and 4,335.66 is: 6,506.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,337.87 : 12,512.03 = 4,335.66 : x
  2. Step 2: Convert to fraction form
    8,337.87/12,512.03 = 4,335.66/x
  3. Step 3: Cross multiply
    8,337.87x = 12,512.03 × 4,335.66
  4. Step 4: Simplify right side
    8,337.87x = 54,247,886.31
  5. Step 5: Solve for x
    x = 54,247,886.31/8,337.87
  6. Step 6: Final answer
    x = 6,506.20

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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.