Home / 8,241.61-12,360.75-2,695.12

Finding the Fourth Proportional to 8,241.61, 12,360.75 and 2,695.12

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Solution

The fourth proportional to 8,241.61, 12,360.75 and 2,695.12 is: 4,042.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.61 : 12,360.75 = 2,695.12 : x
  2. Step 2: Convert to fraction form
    8,241.61/12,360.75 = 2,695.12/x
  3. Step 3: Cross multiply
    8,241.61x = 12,360.75 × 2,695.12
  4. Step 4: Simplify right side
    8,241.61x = 33,313,704.54
  5. Step 5: Solve for x
    x = 33,313,704.54/8,241.61
  6. Step 6: Final answer
    x = 4,042.14

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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.