Home / 8,584.28-12,877.62-2,738.90

Finding the Fourth Proportional to 8,584.28, 12,877.62 and 2,738.90

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Solution

The fourth proportional to 8,584.28, 12,877.62 and 2,738.90 is: 4,108.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,584.28 : 12,877.62 = 2,738.90 : x
  2. Step 2: Convert to fraction form
    8,584.28/12,877.62 = 2,738.90/x
  3. Step 3: Cross multiply
    8,584.28x = 12,877.62 × 2,738.90
  4. Step 4: Simplify right side
    8,584.28x = 35,270,513.42
  5. Step 5: Solve for x
    x = 35,270,513.42/8,584.28
  6. Step 6: Final answer
    x = 4,108.73

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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.