Home / 4,198.13-6,297.88-1,275.75

Finding the Fourth Proportional to 4,198.13, 6,297.88 and 1,275.75

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Solution

The fourth proportional to 4,198.13, 6,297.88 and 1,275.75 is: 1,913.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.13 : 6,297.88 = 1,275.75 : x
  2. Step 2: Convert to fraction form
    4,198.13/6,297.88 = 1,275.75/x
  3. Step 3: Cross multiply
    4,198.13x = 6,297.88 × 1,275.75
  4. Step 4: Simplify right side
    4,198.13x = 8,034,516.02
  5. Step 5: Solve for x
    x = 8,034,516.02/4,198.13
  6. Step 6: Final answer
    x = 1,913.83

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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.