Home / 4,081.24-6,121.10-1,158.84

Finding the Fourth Proportional to 4,081.24, 6,121.10 and 1,158.84

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Solution

The fourth proportional to 4,081.24, 6,121.10 and 1,158.84 is: 1,738.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.24 : 6,121.10 = 1,158.84 : x
  2. Step 2: Convert to fraction form
    4,081.24/6,121.10 = 1,158.84/x
  3. Step 3: Cross multiply
    4,081.24x = 6,121.10 × 1,158.84
  4. Step 4: Simplify right side
    4,081.24x = 7,093,375.52
  5. Step 5: Solve for x
    x = 7,093,375.52/4,081.24
  6. Step 6: Final answer
    x = 1,738.04

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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.