Home / 5,286.08-7,293.48-3,422

Finding the Fourth Proportional to 5,286.08, 7,293.48 and 3,422

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Solution

The fourth proportional to 5,286.08, 7,293.48 and 3,422 is: 4,721.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.08 : 7,293.48 = 3,422 : x
  2. Step 2: Convert to fraction form
    5,286.08/7,293.48 = 3,422/x
  3. Step 3: Cross multiply
    5,286.08x = 7,293.48 × 3,422
  4. Step 4: Simplify right side
    5,286.08x = 24,958,288.56
  5. Step 5: Solve for x
    x = 24,958,288.56/5,286.08
  6. Step 6: Final answer
    x = 4,721.51

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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.