Home / 4,120.60-6,181.50-1,198.52

Finding the Fourth Proportional to 4,120.60, 6,181.50 and 1,198.52

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Solution

The fourth proportional to 4,120.60, 6,181.50 and 1,198.52 is: 1,797.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.60 : 6,181.50 = 1,198.52 : x
  2. Step 2: Convert to fraction form
    4,120.60/6,181.50 = 1,198.52/x
  3. Step 3: Cross multiply
    4,120.60x = 6,181.50 × 1,198.52
  4. Step 4: Simplify right side
    4,120.60x = 7,408,651.38
  5. Step 5: Solve for x
    x = 7,408,651.38/4,120.60
  6. Step 6: Final answer
    x = 1,797.95

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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.