Home / 4,121.35-6,182.12-1,199.88

Finding the Fourth Proportional to 4,121.35, 6,182.12 and 1,199.88

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Solution

The fourth proportional to 4,121.35, 6,182.12 and 1,199.88 is: 1,799.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.35 : 6,182.12 = 1,199.88 : x
  2. Step 2: Convert to fraction form
    4,121.35/6,182.12 = 1,199.88/x
  3. Step 3: Cross multiply
    4,121.35x = 6,182.12 × 1,199.88
  4. Step 4: Simplify right side
    4,121.35x = 7,417,805.15
  5. Step 5: Solve for x
    x = 7,417,805.15/4,121.35
  6. Step 6: Final answer
    x = 1,799.85

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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.