Home / 8,553.28-12,831-2,707.80

Finding the Fourth Proportional to 8,553.28, 12,831 and 2,707.80

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Solution

The fourth proportional to 8,553.28, 12,831 and 2,707.80 is: 4,062.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,553.28 : 12,831 = 2,707.80 : x
  2. Step 2: Convert to fraction form
    8,553.28/12,831 = 2,707.80/x
  3. Step 3: Cross multiply
    8,553.28x = 12,831 × 2,707.80
  4. Step 4: Simplify right side
    8,553.28x = 34,743,781.80
  5. Step 5: Solve for x
    x = 34,743,781.80/8,553.28
  6. Step 6: Final answer
    x = 4,062.04

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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.