Home / 10,204.76-15,305.30-2,808.26

Finding the Fourth Proportional to 10,204.76, 15,305.30 and 2,808.26

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Solution

The fourth proportional to 10,204.76, 15,305.30 and 2,808.26 is: 4,211.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,204.76 : 15,305.30 = 2,808.26 : x
  2. Step 2: Convert to fraction form
    10,204.76/15,305.30 = 2,808.26/x
  3. Step 3: Cross multiply
    10,204.76x = 15,305.30 × 2,808.26
  4. Step 4: Simplify right side
    10,204.76x = 42,981,261.78
  5. Step 5: Solve for x
    x = 42,981,261.78/10,204.76
  6. Step 6: Final answer
    x = 4,211.88

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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.