Home / 4,198.83-6,299-2,118.90

Finding the Fourth Proportional to 4,198.83, 6,299 and 2,118.90

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Solution

The fourth proportional to 4,198.83, 6,299 and 2,118.90 is: 3,178.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.83 : 6,299 = 2,118.90 : x
  2. Step 2: Convert to fraction form
    4,198.83/6,299 = 2,118.90/x
  3. Step 3: Cross multiply
    4,198.83x = 6,299 × 2,118.90
  4. Step 4: Simplify right side
    4,198.83x = 13,346,951.10
  5. Step 5: Solve for x
    x = 13,346,951.10/4,198.83
  6. Step 6: Final answer
    x = 3,178.73

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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.