Home / 4,123.71-6,183.06-1,621.91

Finding the Fourth Proportional to 4,123.71, 6,183.06 and 1,621.91

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Solution

The fourth proportional to 4,123.71, 6,183.06 and 1,621.91 is: 2,431.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.71 : 6,183.06 = 1,621.91 : x
  2. Step 2: Convert to fraction form
    4,123.71/6,183.06 = 1,621.91/x
  3. Step 3: Cross multiply
    4,123.71x = 6,183.06 × 1,621.91
  4. Step 4: Simplify right side
    4,123.71x = 10,028,335.93
  5. Step 5: Solve for x
    x = 10,028,335.93/4,123.71
  6. Step 6: Final answer
    x = 2,431.87

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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.