Home / 4,198.19-6,297.35-1,078.12

Finding the Fourth Proportional to 4,198.19, 6,297.35 and 1,078.12

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Solution

The fourth proportional to 4,198.19, 6,297.35 and 1,078.12 is: 1,617.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.19 : 6,297.35 = 1,078.12 : x
  2. Step 2: Convert to fraction form
    4,198.19/6,297.35 = 1,078.12/x
  3. Step 3: Cross multiply
    4,198.19x = 6,297.35 × 1,078.12
  4. Step 4: Simplify right side
    4,198.19x = 6,789,301.46
  5. Step 5: Solve for x
    x = 6,789,301.46/4,198.19
  6. Step 6: Final answer
    x = 1,617.20

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Similar ratio
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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.