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Finding the Fourth Proportional to 6,200.85, 9,285.42 and 3,424.44

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Solution

The fourth proportional to 6,200.85, 9,285.42 and 3,424.44 is: 5,127.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,200.85 : 9,285.42 = 3,424.44 : x
  2. Step 2: Convert to fraction form
    6,200.85/9,285.42 = 3,424.44/x
  3. Step 3: Cross multiply
    6,200.85x = 9,285.42 × 3,424.44
  4. Step 4: Simplify right side
    6,200.85x = 31,797,363.66
  5. Step 5: Solve for x
    x = 31,797,363.66/6,200.85
  6. Step 6: Final answer
    x = 5,127.90

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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.