Home / 5,466.20-8,183.10-3,619.40

Finding the Fourth Proportional to 5,466.20, 8,183.10 and 3,619.40

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Solution

The fourth proportional to 5,466.20, 8,183.10 and 3,619.40 is: 5,418.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,466.20 : 8,183.10 = 3,619.40 : x
  2. Step 2: Convert to fraction form
    5,466.20/8,183.10 = 3,619.40/x
  3. Step 3: Cross multiply
    5,466.20x = 8,183.10 × 3,619.40
  4. Step 4: Simplify right side
    5,466.20x = 29,617,912.14
  5. Step 5: Solve for x
    x = 29,617,912.14/5,466.20
  6. Step 6: Final answer
    x = 5,418.37

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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.