Home / 8,549.20-12,825.60-3,616.30

Finding the Fourth Proportional to 8,549.20, 12,825.60 and 3,616.30

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Solution

The fourth proportional to 8,549.20, 12,825.60 and 3,616.30 is: 5,425.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549.20 : 12,825.60 = 3,616.30 : x
  2. Step 2: Convert to fraction form
    8,549.20/12,825.60 = 3,616.30/x
  3. Step 3: Cross multiply
    8,549.20x = 12,825.60 × 3,616.30
  4. Step 4: Simplify right side
    8,549.20x = 46,381,217.28
  5. Step 5: Solve for x
    x = 46,381,217.28/8,549.20
  6. Step 6: Final answer
    x = 5,425.21

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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.