Home / 6,747.60-10,099.80-3,619.92

Finding the Fourth Proportional to 6,747.60, 10,099.80 and 3,619.92

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Solution

The fourth proportional to 6,747.60, 10,099.80 and 3,619.92 is: 5,418.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.60 : 10,099.80 = 3,619.92 : x
  2. Step 2: Convert to fraction form
    6,747.60/10,099.80 = 3,619.92/x
  3. Step 3: Cross multiply
    6,747.60x = 10,099.80 × 3,619.92
  4. Step 4: Simplify right side
    6,747.60x = 36,560,468.02
  5. Step 5: Solve for x
    x = 36,560,468.02/6,747.60
  6. Step 6: Final answer
    x = 5,418.29

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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.