Home / 5,738.73-7,918.92-3,221.25

Finding the Fourth Proportional to 5,738.73, 7,918.92 and 3,221.25

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Solution

The fourth proportional to 5,738.73, 7,918.92 and 3,221.25 is: 4,445.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,738.73 : 7,918.92 = 3,221.25 : x
  2. Step 2: Convert to fraction form
    5,738.73/7,918.92 = 3,221.25/x
  3. Step 3: Cross multiply
    5,738.73x = 7,918.92 × 3,221.25
  4. Step 4: Simplify right side
    5,738.73x = 25,508,821.05
  5. Step 5: Solve for x
    x = 25,508,821.05/5,738.73
  6. Step 6: Final answer
    x = 4,445.03

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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.