Home / 5,149.89-7,104.22-3,258.28

Finding the Fourth Proportional to 5,149.89, 7,104.22 and 3,258.28

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Solution

The fourth proportional to 5,149.89, 7,104.22 and 3,258.28 is: 4,494.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.89 : 7,104.22 = 3,258.28 : x
  2. Step 2: Convert to fraction form
    5,149.89/7,104.22 = 3,258.28/x
  3. Step 3: Cross multiply
    5,149.89x = 7,104.22 × 3,258.28
  4. Step 4: Simplify right side
    5,149.89x = 23,147,537.94
  5. Step 5: Solve for x
    x = 23,147,537.94/5,149.89
  6. Step 6: Final answer
    x = 4,494.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.