Home / 5,454.80-8,183.78-2,682.30

Finding the Fourth Proportional to 5,454.80, 8,183.78 and 2,682.30

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Solution

The fourth proportional to 5,454.80, 8,183.78 and 2,682.30 is: 4,024.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.80 : 8,183.78 = 2,682.30 : x
  2. Step 2: Convert to fraction form
    5,454.80/8,183.78 = 2,682.30/x
  3. Step 3: Cross multiply
    5,454.80x = 8,183.78 × 2,682.30
  4. Step 4: Simplify right side
    5,454.80x = 21,951,353.09
  5. Step 5: Solve for x
    x = 21,951,353.09/5,454.80
  6. Step 6: Final answer
    x = 4,024.23

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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.