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Finding the Fourth Proportional to 5,469.12, 8,200.80 and 3,738.24

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Solution

The fourth proportional to 5,469.12, 8,200.80 and 3,738.24 is: 5,605.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.12 : 8,200.80 = 3,738.24 : x
  2. Step 2: Convert to fraction form
    5,469.12/8,200.80 = 3,738.24/x
  3. Step 3: Cross multiply
    5,469.12x = 8,200.80 × 3,738.24
  4. Step 4: Simplify right side
    5,469.12x = 30,656,558.59
  5. Step 5: Solve for x
    x = 30,656,558.59/5,469.12
  6. Step 6: Final answer
    x = 5,605.39

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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.