Home / 5,269.73-7,272.14-2,879.65

Finding the Fourth Proportional to 5,269.73, 7,272.14 and 2,879.65

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Solution

The fourth proportional to 5,269.73, 7,272.14 and 2,879.65 is: 3,973.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.73 : 7,272.14 = 2,879.65 : x
  2. Step 2: Convert to fraction form
    5,269.73/7,272.14 = 2,879.65/x
  3. Step 3: Cross multiply
    5,269.73x = 7,272.14 × 2,879.65
  4. Step 4: Simplify right side
    5,269.73x = 20,941,192.57
  5. Step 5: Solve for x
    x = 20,941,192.57/5,269.73
  6. Step 6: Final answer
    x = 3,973.87

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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.