Home / 5,183.20-7,152.78-2,944.90

Finding the Fourth Proportional to 5,183.20, 7,152.78 and 2,944.90

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Solution

The fourth proportional to 5,183.20, 7,152.78 and 2,944.90 is: 4,063.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.20 : 7,152.78 = 2,944.90 : x
  2. Step 2: Convert to fraction form
    5,183.20/7,152.78 = 2,944.90/x
  3. Step 3: Cross multiply
    5,183.20x = 7,152.78 × 2,944.90
  4. Step 4: Simplify right side
    5,183.20x = 21,064,221.82
  5. Step 5: Solve for x
    x = 21,064,221.82/5,183.20
  6. Step 6: Final answer
    x = 4,063.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.