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Finding the Fourth Proportional to 8,552.53, 12,830.10 and 3,622.20

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Solution

The fourth proportional to 8,552.53, 12,830.10 and 3,622.20 is: 5,433.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,552.53 : 12,830.10 = 3,622.20 : x
  2. Step 2: Convert to fraction form
    8,552.53/12,830.10 = 3,622.20/x
  3. Step 3: Cross multiply
    8,552.53x = 12,830.10 × 3,622.20
  4. Step 4: Simplify right side
    8,552.53x = 46,473,188.22
  5. Step 5: Solve for x
    x = 46,473,188.22/8,552.53
  6. Step 6: Final answer
    x = 5,433.85

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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.