Home / 4,121.91-6,183.81-1,348.74

Finding the Fourth Proportional to 4,121.91, 6,183.81 and 1,348.74

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Solution

The fourth proportional to 4,121.91, 6,183.81 and 1,348.74 is: 2,023.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.91 : 6,183.81 = 1,348.74 : x
  2. Step 2: Convert to fraction form
    4,121.91/6,183.81 = 1,348.74/x
  3. Step 3: Cross multiply
    4,121.91x = 6,183.81 × 1,348.74
  4. Step 4: Simplify right side
    4,121.91x = 8,340,351.90
  5. Step 5: Solve for x
    x = 8,340,351.90/4,121.91
  6. Step 6: Final answer
    x = 2,023.42

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1.5x scale

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.