Home / 4,121.58-6,183.39-1,199.91

Finding the Fourth Proportional to 4,121.58, 6,183.39 and 1,199.91

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Solution

The fourth proportional to 4,121.58, 6,183.39 and 1,199.91 is: 1,800.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.58 : 6,183.39 = 1,199.91 : x
  2. Step 2: Convert to fraction form
    4,121.58/6,183.39 = 1,199.91/x
  3. Step 3: Cross multiply
    4,121.58x = 6,183.39 × 1,199.91
  4. Step 4: Simplify right side
    4,121.58x = 7,419,511.49
  5. Step 5: Solve for x
    x = 7,419,511.49/4,121.58
  6. Step 6: Final answer
    x = 1,800.16

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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.