Home / 5,279.82-7,286.66-3,511.99

Finding the Fourth Proportional to 5,279.82, 7,286.66 and 3,511.99

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Solution

The fourth proportional to 5,279.82, 7,286.66 and 3,511.99 is: 4,846.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.82 : 7,286.66 = 3,511.99 : x
  2. Step 2: Convert to fraction form
    5,279.82/7,286.66 = 3,511.99/x
  3. Step 3: Cross multiply
    5,279.82x = 7,286.66 × 3,511.99
  4. Step 4: Simplify right side
    5,279.82x = 25,590,677.05
  5. Step 5: Solve for x
    x = 25,590,677.05/5,279.82
  6. Step 6: Final answer
    x = 4,846.88

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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.