Home / 5,455.10-8,183.33-2,679.43

Finding the Fourth Proportional to 5,455.10, 8,183.33 and 2,679.43

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Solution

The fourth proportional to 5,455.10, 8,183.33 and 2,679.43 is: 4,019.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.10 : 8,183.33 = 2,679.43 : x
  2. Step 2: Convert to fraction form
    5,455.10/8,183.33 = 2,679.43/x
  3. Step 3: Cross multiply
    5,455.10x = 8,183.33 × 2,679.43
  4. Step 4: Simplify right side
    5,455.10x = 21,926,651.44
  5. Step 5: Solve for x
    x = 21,926,651.44/5,455.10
  6. Step 6: Final answer
    x = 4,019.48

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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.