Home / 4,945.03-6,819.40-3,240.97

Finding the Fourth Proportional to 4,945.03, 6,819.40 and 3,240.97

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Solution

The fourth proportional to 4,945.03, 6,819.40 and 3,240.97 is: 4,469.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.03 : 6,819.40 = 3,240.97 : x
  2. Step 2: Convert to fraction form
    4,945.03/6,819.40 = 3,240.97/x
  3. Step 3: Cross multiply
    4,945.03x = 6,819.40 × 3,240.97
  4. Step 4: Simplify right side
    4,945.03x = 22,101,470.82
  5. Step 5: Solve for x
    x = 22,101,470.82/4,945.03
  6. Step 6: Final answer
    x = 4,469.43

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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.