Home / 8,551.44-12,828.78-2,708.91

Finding the Fourth Proportional to 8,551.44, 12,828.78 and 2,708.91

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Solution

The fourth proportional to 8,551.44, 12,828.78 and 2,708.91 is: 4,063.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,551.44 : 12,828.78 = 2,708.91 : x
  2. Step 2: Convert to fraction form
    8,551.44/12,828.78 = 2,708.91/x
  3. Step 3: Cross multiply
    8,551.44x = 12,828.78 × 2,708.91
  4. Step 4: Simplify right side
    8,551.44x = 34,752,010.43
  5. Step 5: Solve for x
    x = 34,752,010.43/8,551.44
  6. Step 6: Final answer
    x = 4,063.88

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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.