Home / 8,553.28-12,827.76-2,708.32

Finding the Fourth Proportional to 8,553.28, 12,827.76 and 2,708.32

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Solution

The fourth proportional to 8,553.28, 12,827.76 and 2,708.32 is: 4,061.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,553.28 : 12,827.76 = 2,708.32 : x
  2. Step 2: Convert to fraction form
    8,553.28/12,827.76 = 2,708.32/x
  3. Step 3: Cross multiply
    8,553.28x = 12,827.76 × 2,708.32
  4. Step 4: Simplify right side
    8,553.28x = 34,741,678.96
  5. Step 5: Solve for x
    x = 34,741,678.96/8,553.28
  6. Step 6: Final answer
    x = 4,061.80

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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.