Home / 5,455.88-8,183.82-2,168.95

Finding the Fourth Proportional to 5,455.88, 8,183.82 and 2,168.95

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Solution

The fourth proportional to 5,455.88, 8,183.82 and 2,168.95 is: 3,253.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.88 : 8,183.82 = 2,168.95 : x
  2. Step 2: Convert to fraction form
    5,455.88/8,183.82 = 2,168.95/x
  3. Step 3: Cross multiply
    5,455.88x = 8,183.82 × 2,168.95
  4. Step 4: Simplify right side
    5,455.88x = 17,750,267.59
  5. Step 5: Solve for x
    x = 17,750,267.59/5,455.88
  6. Step 6: Final answer
    x = 3,253.42

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1.5x scale

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.