Home / 5,455.72-8,183.58-1,996.84

Finding the Fourth Proportional to 5,455.72, 8,183.58 and 1,996.84

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Solution

The fourth proportional to 5,455.72, 8,183.58 and 1,996.84 is: 2,995.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.72 : 8,183.58 = 1,996.84 : x
  2. Step 2: Convert to fraction form
    5,455.72/8,183.58 = 1,996.84/x
  3. Step 3: Cross multiply
    5,455.72x = 8,183.58 × 1,996.84
  4. Step 4: Simplify right side
    5,455.72x = 16,341,299.89
  5. Step 5: Solve for x
    x = 16,341,299.89/5,455.72
  6. Step 6: Final answer
    x = 2,995.26

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Double scale
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Similar ratio
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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.