Home / 5,556.44-7,667.11-3,198.13

Finding the Fourth Proportional to 5,556.44, 7,667.11 and 3,198.13

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Solution

The fourth proportional to 5,556.44, 7,667.11 and 3,198.13 is: 4,412.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.44 : 7,667.11 = 3,198.13 : x
  2. Step 2: Convert to fraction form
    5,556.44/7,667.11 = 3,198.13/x
  3. Step 3: Cross multiply
    5,556.44x = 7,667.11 × 3,198.13
  4. Step 4: Simplify right side
    5,556.44x = 24,520,414.50
  5. Step 5: Solve for x
    x = 24,520,414.50/5,556.44
  6. Step 6: Final answer
    x = 4,412.97

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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.