Home / 4,247.74-6,371.61-1,286.18

Finding the Fourth Proportional to 4,247.74, 6,371.61 and 1,286.18

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Solution

The fourth proportional to 4,247.74, 6,371.61 and 1,286.18 is: 1,929.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.74 : 6,371.61 = 1,286.18 : x
  2. Step 2: Convert to fraction form
    4,247.74/6,371.61 = 1,286.18/x
  3. Step 3: Cross multiply
    4,247.74x = 6,371.61 × 1,286.18
  4. Step 4: Simplify right side
    4,247.74x = 8,195,031.80
  5. Step 5: Solve for x
    x = 8,195,031.80/4,247.74
  6. Step 6: Final answer
    x = 1,929.27

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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.