Home / 5,306.87-7,321.62-3,183.09

Finding the Fourth Proportional to 5,306.87, 7,321.62 and 3,183.09

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Solution

The fourth proportional to 5,306.87, 7,321.62 and 3,183.09 is: 4,391.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.87 : 7,321.62 = 3,183.09 : x
  2. Step 2: Convert to fraction form
    5,306.87/7,321.62 = 3,183.09/x
  3. Step 3: Cross multiply
    5,306.87x = 7,321.62 × 3,183.09
  4. Step 4: Simplify right side
    5,306.87x = 23,305,353.62
  5. Step 5: Solve for x
    x = 23,305,353.62/5,306.87
  6. Step 6: Final answer
    x = 4,391.54

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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.