Home / 8,789.80-13,183.24-3,858.12

Finding the Fourth Proportional to 8,789.80, 13,183.24 and 3,858.12

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Solution

The fourth proportional to 8,789.80, 13,183.24 and 3,858.12 is: 5,786.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.80 : 13,183.24 = 3,858.12 : x
  2. Step 2: Convert to fraction form
    8,789.80/13,183.24 = 3,858.12/x
  3. Step 3: Cross multiply
    8,789.80x = 13,183.24 × 3,858.12
  4. Step 4: Simplify right side
    8,789.80x = 50,862,521.91
  5. Step 5: Solve for x
    x = 50,862,521.91/8,789.80
  6. Step 6: Final answer
    x = 5,786.54

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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.