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Finding the Fourth Proportional to 6,199.75, 9,299.63 and 3,892.87

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Solution

The fourth proportional to 6,199.75, 9,299.63 and 3,892.87 is: 5,839.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,199.75 : 9,299.63 = 3,892.87 : x
  2. Step 2: Convert to fraction form
    6,199.75/9,299.63 = 3,892.87/x
  3. Step 3: Cross multiply
    6,199.75x = 9,299.63 × 3,892.87
  4. Step 4: Simplify right side
    6,199.75x = 36,202,250.64
  5. Step 5: Solve for x
    x = 36,202,250.64/6,199.75
  6. Step 6: Final answer
    x = 5,839.31

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Similar ratio
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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.