Home / 8,160.78-12,243.33-2,967.18

Finding the Fourth Proportional to 8,160.78, 12,243.33 and 2,967.18

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Solution

The fourth proportional to 8,160.78, 12,243.33 and 2,967.18 is: 4,451.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.78 : 12,243.33 = 2,967.18 : x
  2. Step 2: Convert to fraction form
    8,160.78/12,243.33 = 2,967.18/x
  3. Step 3: Cross multiply
    8,160.78x = 12,243.33 × 2,967.18
  4. Step 4: Simplify right side
    8,160.78x = 36,328,163.91
  5. Step 5: Solve for x
    x = 36,328,163.91/8,160.78
  6. Step 6: Final answer
    x = 4,451.56

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1.5x scale

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.