Home / 8,877.20-13,315.79-3,033.86

Finding the Fourth Proportional to 8,877.20, 13,315.79 and 3,033.86

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Solution

The fourth proportional to 8,877.20, 13,315.79 and 3,033.86 is: 4,550.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.20 : 13,315.79 = 3,033.86 : x
  2. Step 2: Convert to fraction form
    8,877.20/13,315.79 = 3,033.86/x
  3. Step 3: Cross multiply
    8,877.20x = 13,315.79 × 3,033.86
  4. Step 4: Simplify right side
    8,877.20x = 40,398,183.66
  5. Step 5: Solve for x
    x = 40,398,183.66/8,877.20
  6. Step 6: Final answer
    x = 4,550.78

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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.