Home / 8,871.12-13,306.52-2,714.96

Finding the Fourth Proportional to 8,871.12, 13,306.52 and 2,714.96

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Solution

The fourth proportional to 8,871.12, 13,306.52 and 2,714.96 is: 4,072.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.12 : 13,306.52 = 2,714.96 : x
  2. Step 2: Convert to fraction form
    8,871.12/13,306.52 = 2,714.96/x
  3. Step 3: Cross multiply
    8,871.12x = 13,306.52 × 2,714.96
  4. Step 4: Simplify right side
    8,871.12x = 36,126,669.54
  5. Step 5: Solve for x
    x = 36,126,669.54/8,871.12
  6. Step 6: Final answer
    x = 4,072.39

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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.