Home / 8,382.85-12,555.14-4,003.39

Finding the Fourth Proportional to 8,382.85, 12,555.14 and 4,003.39

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Solution

The fourth proportional to 8,382.85, 12,555.14 and 4,003.39 is: 5,995.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382.85 : 12,555.14 = 4,003.39 : x
  2. Step 2: Convert to fraction form
    8,382.85/12,555.14 = 4,003.39/x
  3. Step 3: Cross multiply
    8,382.85x = 12,555.14 × 4,003.39
  4. Step 4: Simplify right side
    8,382.85x = 50,263,121.92
  5. Step 5: Solve for x
    x = 50,263,121.92/8,382.85
  6. Step 6: Final answer
    x = 5,995.95

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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.