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Finding the Fourth Proportional to 8,512.57, 12,773.46 and 3,585.64

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Solution

The fourth proportional to 8,512.57, 12,773.46 and 3,585.64 is: 5,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512.57 : 12,773.46 = 3,585.64 : x
  2. Step 2: Convert to fraction form
    8,512.57/12,773.46 = 3,585.64/x
  3. Step 3: Cross multiply
    8,512.57x = 12,773.46 × 3,585.64
  4. Step 4: Simplify right side
    8,512.57x = 45,801,029.11
  5. Step 5: Solve for x
    x = 45,801,029.11/8,512.57
  6. Step 6: Final answer
    x = 5,380.40

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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.