Home / 5,454.82-8,181.30-1,944.69

Finding the Fourth Proportional to 5,454.82, 8,181.30 and 1,944.69

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Solution

The fourth proportional to 5,454.82, 8,181.30 and 1,944.69 is: 2,916.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.82 : 8,181.30 = 1,944.69 : x
  2. Step 2: Convert to fraction form
    5,454.82/8,181.30 = 1,944.69/x
  3. Step 3: Cross multiply
    5,454.82x = 8,181.30 × 1,944.69
  4. Step 4: Simplify right side
    5,454.82x = 15,910,092.30
  5. Step 5: Solve for x
    x = 15,910,092.30/5,454.82
  6. Step 6: Final answer
    x = 2,916.70

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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.