Home / 8,272.65-12,408.96-3,342.29

Finding the Fourth Proportional to 8,272.65, 12,408.96 and 3,342.29

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Solution

The fourth proportional to 8,272.65, 12,408.96 and 3,342.29 is: 5,013.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.65 : 12,408.96 = 3,342.29 : x
  2. Step 2: Convert to fraction form
    8,272.65/12,408.96 = 3,342.29/x
  3. Step 3: Cross multiply
    8,272.65x = 12,408.96 × 3,342.29
  4. Step 4: Simplify right side
    8,272.65x = 41,474,293.41
  5. Step 5: Solve for x
    x = 41,474,293.41/8,272.65
  6. Step 6: Final answer
    x = 5,013.42

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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.