Home / 8,273.28-12,392.09-3,884.16

Finding the Fourth Proportional to 8,273.28, 12,392.09 and 3,884.16

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Solution

The fourth proportional to 8,273.28, 12,392.09 and 3,884.16 is: 5,817.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,273.28 : 12,392.09 = 3,884.16 : x
  2. Step 2: Convert to fraction form
    8,273.28/12,392.09 = 3,884.16/x
  3. Step 3: Cross multiply
    8,273.28x = 12,392.09 × 3,884.16
  4. Step 4: Simplify right side
    8,273.28x = 48,132,808.04
  5. Step 5: Solve for x
    x = 48,132,808.04/8,273.28
  6. Step 6: Final answer
    x = 5,817.87

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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.