Home / 4,122.20-6,183.30-2,738.24

Finding the Fourth Proportional to 4,122.20, 6,183.30 and 2,738.24

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Solution

The fourth proportional to 4,122.20, 6,183.30 and 2,738.24 is: 4,107.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.20 : 6,183.30 = 2,738.24 : x
  2. Step 2: Convert to fraction form
    4,122.20/6,183.30 = 2,738.24/x
  3. Step 3: Cross multiply
    4,122.20x = 6,183.30 × 2,738.24
  4. Step 4: Simplify right side
    4,122.20x = 16,931,361.93
  5. Step 5: Solve for x
    x = 16,931,361.93/4,122.20
  6. Step 6: Final answer
    x = 4,107.36

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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.