Home / 8,182.29-12,273.42-2,986.95

Finding the Fourth Proportional to 8,182.29, 12,273.42 and 2,986.95

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Solution

The fourth proportional to 8,182.29, 12,273.42 and 2,986.95 is: 4,480.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,182.29 : 12,273.42 = 2,986.95 : x
  2. Step 2: Convert to fraction form
    8,182.29/12,273.42 = 2,986.95/x
  3. Step 3: Cross multiply
    8,182.29x = 12,273.42 × 2,986.95
  4. Step 4: Simplify right side
    8,182.29x = 36,660,091.87
  5. Step 5: Solve for x
    x = 36,660,091.87/8,182.29
  6. Step 6: Final answer
    x = 4,480.42

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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.