Home / 4,121.73-6,183.68-1,813.77

Finding the Fourth Proportional to 4,121.73, 6,183.68 and 1,813.77

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Solution

The fourth proportional to 4,121.73, 6,183.68 and 1,813.77 is: 2,721.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.73 : 6,183.68 = 1,813.77 : x
  2. Step 2: Convert to fraction form
    4,121.73/6,183.68 = 1,813.77/x
  3. Step 3: Cross multiply
    4,121.73x = 6,183.68 × 1,813.77
  4. Step 4: Simplify right side
    4,121.73x = 11,215,764.20
  5. Step 5: Solve for x
    x = 11,215,764.20/4,121.73
  6. Step 6: Final answer
    x = 2,721.13

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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.