Home / 4,198.67-6,297.78-1,276.75

Finding the Fourth Proportional to 4,198.67, 6,297.78 and 1,276.75

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Solution

The fourth proportional to 4,198.67, 6,297.78 and 1,276.75 is: 1,915.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.67 : 6,297.78 = 1,276.75 : x
  2. Step 2: Convert to fraction form
    4,198.67/6,297.78 = 1,276.75/x
  3. Step 3: Cross multiply
    4,198.67x = 6,297.78 × 1,276.75
  4. Step 4: Simplify right side
    4,198.67x = 8,040,690.62
  5. Step 5: Solve for x
    x = 8,040,690.62/4,198.67
  6. Step 6: Final answer
    x = 1,915.06

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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.