Home / 8,754.22-13,120.39-5,625.90

Finding the Fourth Proportional to 8,754.22, 13,120.39 and 5,625.90

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Solution

The fourth proportional to 8,754.22, 13,120.39 and 5,625.90 is: 8,431.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.22 : 13,120.39 = 5,625.90 : x
  2. Step 2: Convert to fraction form
    8,754.22/13,120.39 = 5,625.90/x
  3. Step 3: Cross multiply
    8,754.22x = 13,120.39 × 5,625.90
  4. Step 4: Simplify right side
    8,754.22x = 73,813,969.30
  5. Step 5: Solve for x
    x = 73,813,969.30/8,754.22
  6. Step 6: Final answer
    x = 8,431.82

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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.