Home / 6,169.20-9,243.92-4,405.92

Finding the Fourth Proportional to 6,169.20, 9,243.92 and 4,405.92

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Solution

The fourth proportional to 6,169.20, 9,243.92 and 4,405.92 is: 6,601.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,169.20 : 9,243.92 = 4,405.92 : x
  2. Step 2: Convert to fraction form
    6,169.20/9,243.92 = 4,405.92/x
  3. Step 3: Cross multiply
    6,169.20x = 9,243.92 × 4,405.92
  4. Step 4: Simplify right side
    6,169.20x = 40,727,972.01
  5. Step 5: Solve for x
    x = 40,727,972.01/6,169.20
  6. Step 6: Final answer
    x = 6,601.82

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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.