Home / 8,550.42-12,823.11-3,619.95

Finding the Fourth Proportional to 8,550.42, 12,823.11 and 3,619.95

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Solution

The fourth proportional to 8,550.42, 12,823.11 and 3,619.95 is: 5,428.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,550.42 : 12,823.11 = 3,619.95 : x
  2. Step 2: Convert to fraction form
    8,550.42/12,823.11 = 3,619.95/x
  3. Step 3: Cross multiply
    8,550.42x = 12,823.11 × 3,619.95
  4. Step 4: Simplify right side
    8,550.42x = 46,419,017.04
  5. Step 5: Solve for x
    x = 46,419,017.04/8,550.42
  6. Step 6: Final answer
    x = 5,428.86

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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.