Home / 5,279.73-7,918.79-2,357.52

Finding the Fourth Proportional to 5,279.73, 7,918.79 and 2,357.52

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Solution

The fourth proportional to 5,279.73, 7,918.79 and 2,357.52 is: 3,535.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.73 : 7,918.79 = 2,357.52 : x
  2. Step 2: Convert to fraction form
    5,279.73/7,918.79 = 2,357.52/x
  3. Step 3: Cross multiply
    5,279.73x = 7,918.79 × 2,357.52
  4. Step 4: Simplify right side
    5,279.73x = 18,668,694.01
  5. Step 5: Solve for x
    x = 18,668,694.01/5,279.73
  6. Step 6: Final answer
    x = 3,535.92

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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.