Home / 4,217.38-6,324.86-1,255.70

Finding the Fourth Proportional to 4,217.38, 6,324.86 and 1,255.70

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Solution

The fourth proportional to 4,217.38, 6,324.86 and 1,255.70 is: 1,883.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217.38 : 6,324.86 = 1,255.70 : x
  2. Step 2: Convert to fraction form
    4,217.38/6,324.86 = 1,255.70/x
  3. Step 3: Cross multiply
    4,217.38x = 6,324.86 × 1,255.70
  4. Step 4: Simplify right side
    4,217.38x = 7,942,120.42
  5. Step 5: Solve for x
    x = 7,942,120.42/4,217.38
  6. Step 6: Final answer
    x = 1,883.19

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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.