Home / 4,217.67-6,325.40-1,255.31

Finding the Fourth Proportional to 4,217.67, 6,325.40 and 1,255.31

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Solution

The fourth proportional to 4,217.67, 6,325.40 and 1,255.31 is: 1,882.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217.67 : 6,325.40 = 1,255.31 : x
  2. Step 2: Convert to fraction form
    4,217.67/6,325.40 = 1,255.31/x
  3. Step 3: Cross multiply
    4,217.67x = 6,325.40 × 1,255.31
  4. Step 4: Simplify right side
    4,217.67x = 7,940,299.97
  5. Step 5: Solve for x
    x = 7,940,299.97/4,217.67
  6. Step 6: Final answer
    x = 1,882.63

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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.