Home / 6,872.91-10,300.92-2,708.74

Finding the Fourth Proportional to 6,872.91, 10,300.92 and 2,708.74

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Solution

The fourth proportional to 6,872.91, 10,300.92 and 2,708.74 is: 4,059.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872.91 : 10,300.92 = 2,708.74 : x
  2. Step 2: Convert to fraction form
    6,872.91/10,300.92 = 2,708.74/x
  3. Step 3: Cross multiply
    6,872.91x = 10,300.92 × 2,708.74
  4. Step 4: Simplify right side
    6,872.91x = 27,902,514.04
  5. Step 5: Solve for x
    x = 27,902,514.04/6,872.91
  6. Step 6: Final answer
    x = 4,059.78

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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.