Home / 8,177.92-12,268.69-2,983.79

Finding the Fourth Proportional to 8,177.92, 12,268.69 and 2,983.79

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Solution

The fourth proportional to 8,177.92, 12,268.69 and 2,983.79 is: 4,476.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.92 : 12,268.69 = 2,983.79 : x
  2. Step 2: Convert to fraction form
    8,177.92/12,268.69 = 2,983.79/x
  3. Step 3: Cross multiply
    8,177.92x = 12,268.69 × 2,983.79
  4. Step 4: Simplify right side
    8,177.92x = 36,607,217.75
  5. Step 5: Solve for x
    x = 36,607,217.75/8,177.92
  6. Step 6: Final answer
    x = 4,476.35

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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.