Home / 5,279.89-7,286.91-3,464.44

Finding the Fourth Proportional to 5,279.89, 7,286.91 and 3,464.44

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Solution

The fourth proportional to 5,279.89, 7,286.91 and 3,464.44 is: 4,781.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.89 : 7,286.91 = 3,464.44 : x
  2. Step 2: Convert to fraction form
    5,279.89/7,286.91 = 3,464.44/x
  3. Step 3: Cross multiply
    5,279.89x = 7,286.91 × 3,464.44
  4. Step 4: Simplify right side
    5,279.89x = 25,245,013.46
  5. Step 5: Solve for x
    x = 25,245,013.46/5,279.89
  6. Step 6: Final answer
    x = 4,781.36

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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.