Home / 4,121.52-6,183.86-2,479.23

Finding the Fourth Proportional to 4,121.52, 6,183.86 and 2,479.23

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Solution

The fourth proportional to 4,121.52, 6,183.86 and 2,479.23 is: 3,719.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.52 : 6,183.86 = 2,479.23 : x
  2. Step 2: Convert to fraction form
    4,121.52/6,183.86 = 2,479.23/x
  3. Step 3: Cross multiply
    4,121.52x = 6,183.86 × 2,479.23
  4. Step 4: Simplify right side
    4,121.52x = 15,331,198.83
  5. Step 5: Solve for x
    x = 15,331,198.83/4,121.52
  6. Step 6: Final answer
    x = 3,719.79

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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.