Home / 4,198.62-6,297.63-1,276.75

Finding the Fourth Proportional to 4,198.62, 6,297.63 and 1,276.75

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Solution

The fourth proportional to 4,198.62, 6,297.63 and 1,276.75 is: 1,915.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.62 : 6,297.63 = 1,276.75 : x
  2. Step 2: Convert to fraction form
    4,198.62/6,297.63 = 1,276.75/x
  3. Step 3: Cross multiply
    4,198.62x = 6,297.63 × 1,276.75
  4. Step 4: Simplify right side
    4,198.62x = 8,040,499.10
  5. Step 5: Solve for x
    x = 8,040,499.10/4,198.62
  6. Step 6: Final answer
    x = 1,915.03

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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.