Home / 8,183.76-12,271.19-2,917.95

Finding the Fourth Proportional to 8,183.76, 12,271.19 and 2,917.95

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Solution

The fourth proportional to 8,183.76, 12,271.19 and 2,917.95 is: 4,375.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,183.76 : 12,271.19 = 2,917.95 : x
  2. Step 2: Convert to fraction form
    8,183.76/12,271.19 = 2,917.95/x
  3. Step 3: Cross multiply
    8,183.76x = 12,271.19 × 2,917.95
  4. Step 4: Simplify right side
    8,183.76x = 35,806,704.27
  5. Step 5: Solve for x
    x = 35,806,704.27/8,183.76
  6. Step 6: Final answer
    x = 4,375.34

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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.