Home / 4,183.92-6,274.42-1,221.54

Finding the Fourth Proportional to 4,183.92, 6,274.42 and 1,221.54

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Solution

The fourth proportional to 4,183.92, 6,274.42 and 1,221.54 is: 1,831.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,183.92 : 6,274.42 = 1,221.54 : x
  2. Step 2: Convert to fraction form
    4,183.92/6,274.42 = 1,221.54/x
  3. Step 3: Cross multiply
    4,183.92x = 6,274.42 × 1,221.54
  4. Step 4: Simplify right side
    4,183.92x = 7,664,455.01
  5. Step 5: Solve for x
    x = 7,664,455.01/4,183.92
  6. Step 6: Final answer
    x = 1,831.88

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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.