Home / 8,789.15-13,183.73-2,949.86

Finding the Fourth Proportional to 8,789.15, 13,183.73 and 2,949.86

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Solution

The fourth proportional to 8,789.15, 13,183.73 and 2,949.86 is: 4,424.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.15 : 13,183.73 = 2,949.86 : x
  2. Step 2: Convert to fraction form
    8,789.15/13,183.73 = 2,949.86/x
  3. Step 3: Cross multiply
    8,789.15x = 13,183.73 × 2,949.86
  4. Step 4: Simplify right side
    8,789.15x = 38,890,175.99
  5. Step 5: Solve for x
    x = 38,890,175.99/8,789.15
  6. Step 6: Final answer
    x = 4,424.79

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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.