Home / 6,518.43-9,778.86-2,819.97

Finding the Fourth Proportional to 6,518.43, 9,778.86 and 2,819.97

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Solution

The fourth proportional to 6,518.43, 9,778.86 and 2,819.97 is: 4,230.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.43 : 9,778.86 = 2,819.97 : x
  2. Step 2: Convert to fraction form
    6,518.43/9,778.86 = 2,819.97/x
  3. Step 3: Cross multiply
    6,518.43x = 9,778.86 × 2,819.97
  4. Step 4: Simplify right side
    6,518.43x = 27,576,091.83
  5. Step 5: Solve for x
    x = 27,576,091.83/6,518.43
  6. Step 6: Final answer
    x = 4,230.48

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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.