Home / 5,519.82-8,279.78-4,542.96

Finding the Fourth Proportional to 5,519.82, 8,279.78 and 4,542.96

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Solution

The fourth proportional to 5,519.82, 8,279.78 and 4,542.96 is: 6,814.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.82 : 8,279.78 = 4,542.96 : x
  2. Step 2: Convert to fraction form
    5,519.82/8,279.78 = 4,542.96/x
  3. Step 3: Cross multiply
    5,519.82x = 8,279.78 × 4,542.96
  4. Step 4: Simplify right side
    5,519.82x = 37,614,709.35
  5. Step 5: Solve for x
    x = 37,614,709.35/5,519.82
  6. Step 6: Final answer
    x = 6,814.48

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1.5x scale

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.