Home / 8,979.20-13,469.42-3,056.68

Finding the Fourth Proportional to 8,979.20, 13,469.42 and 3,056.68

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Solution

The fourth proportional to 8,979.20, 13,469.42 and 3,056.68 is: 4,585.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979.20 : 13,469.42 = 3,056.68 : x
  2. Step 2: Convert to fraction form
    8,979.20/13,469.42 = 3,056.68/x
  3. Step 3: Cross multiply
    8,979.20x = 13,469.42 × 3,056.68
  4. Step 4: Simplify right side
    8,979.20x = 41,171,706.73
  5. Step 5: Solve for x
    x = 41,171,706.73/8,979.20
  6. Step 6: Final answer
    x = 4,585.23

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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.