Home / 5,185.11-7,767.42-3,099.27

Finding the Fourth Proportional to 5,185.11, 7,767.42 and 3,099.27

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Solution

The fourth proportional to 5,185.11, 7,767.42 and 3,099.27 is: 4,642.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.11 : 7,767.42 = 3,099.27 : x
  2. Step 2: Convert to fraction form
    5,185.11/7,767.42 = 3,099.27/x
  3. Step 3: Cross multiply
    5,185.11x = 7,767.42 × 3,099.27
  4. Step 4: Simplify right side
    5,185.11x = 24,073,331.78
  5. Step 5: Solve for x
    x = 24,073,331.78/5,185.11
  6. Step 6: Final answer
    x = 4,642.78

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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.