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Finding the Fourth Proportional to 8,797.46, 13,175.25 and 5,091.88

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Solution

The fourth proportional to 8,797.46, 13,175.25 and 5,091.88 is: 7,625.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,797.46 : 13,175.25 = 5,091.88 : x
  2. Step 2: Convert to fraction form
    8,797.46/13,175.25 = 5,091.88/x
  3. Step 3: Cross multiply
    8,797.46x = 13,175.25 × 5,091.88
  4. Step 4: Simplify right side
    8,797.46x = 67,086,791.97
  5. Step 5: Solve for x
    x = 67,086,791.97/8,797.46
  6. Step 6: Final answer
    x = 7,625.70

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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.