Home / 8,714.82-13,064.88-3,780.74

Finding the Fourth Proportional to 8,714.82, 13,064.88 and 3,780.74

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Solution

The fourth proportional to 8,714.82, 13,064.88 and 3,780.74 is: 5,667.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,714.82 : 13,064.88 = 3,780.74 : x
  2. Step 2: Convert to fraction form
    8,714.82/13,064.88 = 3,780.74/x
  3. Step 3: Cross multiply
    8,714.82x = 13,064.88 × 3,780.74
  4. Step 4: Simplify right side
    8,714.82x = 49,394,849.09
  5. Step 5: Solve for x
    x = 49,394,849.09/8,714.82
  6. Step 6: Final answer
    x = 5,667.91

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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.