Home / 5,103.14-7,046.82-3,218.09

Finding the Fourth Proportional to 5,103.14, 7,046.82 and 3,218.09

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Solution

The fourth proportional to 5,103.14, 7,046.82 and 3,218.09 is: 4,443.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.14 : 7,046.82 = 3,218.09 : x
  2. Step 2: Convert to fraction form
    5,103.14/7,046.82 = 3,218.09/x
  3. Step 3: Cross multiply
    5,103.14x = 7,046.82 × 3,218.09
  4. Step 4: Simplify right side
    5,103.14x = 22,677,265.74
  5. Step 5: Solve for x
    x = 22,677,265.74/5,103.14
  6. Step 6: Final answer
    x = 4,443.79

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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.