Home / 8,753.97-13,120.02-5,625.65

Finding the Fourth Proportional to 8,753.97, 13,120.02 and 5,625.65

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Solution

The fourth proportional to 8,753.97, 13,120.02 and 5,625.65 is: 8,431.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.97 : 13,120.02 = 5,625.65 : x
  2. Step 2: Convert to fraction form
    8,753.97/13,120.02 = 5,625.65/x
  3. Step 3: Cross multiply
    8,753.97x = 13,120.02 × 5,625.65
  4. Step 4: Simplify right side
    8,753.97x = 73,808,546.78
  5. Step 5: Solve for x
    x = 73,808,546.78/8,753.97
  6. Step 6: Final answer
    x = 8,431.44

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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.