Home / 8,048.28-12,069.46-2,781.96

Finding the Fourth Proportional to 8,048.28, 12,069.46 and 2,781.96

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Solution

The fourth proportional to 8,048.28, 12,069.46 and 2,781.96 is: 4,171.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,048.28 : 12,069.46 = 2,781.96 : x
  2. Step 2: Convert to fraction form
    8,048.28/12,069.46 = 2,781.96/x
  3. Step 3: Cross multiply
    8,048.28x = 12,069.46 × 2,781.96
  4. Step 4: Simplify right side
    8,048.28x = 33,576,754.94
  5. Step 5: Solve for x
    x = 33,576,754.94/8,048.28
  6. Step 6: Final answer
    x = 4,171.92

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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.