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Finding the Fourth Proportional to 8,591.07, 12,887.10 and 2,747.22

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Solution

The fourth proportional to 8,591.07, 12,887.10 and 2,747.22 is: 4,120.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,591.07 : 12,887.10 = 2,747.22 : x
  2. Step 2: Convert to fraction form
    8,591.07/12,887.10 = 2,747.22/x
  3. Step 3: Cross multiply
    8,591.07x = 12,887.10 × 2,747.22
  4. Step 4: Simplify right side
    8,591.07x = 35,403,698.86
  5. Step 5: Solve for x
    x = 35,403,698.86/8,591.07
  6. Step 6: Final answer
    x = 4,120.99

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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.