Home / 5,490.62-8,240.60-2,205.94

Finding the Fourth Proportional to 5,490.62, 8,240.60 and 2,205.94

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Solution

The fourth proportional to 5,490.62, 8,240.60 and 2,205.94 is: 3,310.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.62 : 8,240.60 = 2,205.94 : x
  2. Step 2: Convert to fraction form
    5,490.62/8,240.60 = 2,205.94/x
  3. Step 3: Cross multiply
    5,490.62x = 8,240.60 × 2,205.94
  4. Step 4: Simplify right side
    5,490.62x = 18,178,269.16
  5. Step 5: Solve for x
    x = 18,178,269.16/5,490.62
  6. Step 6: Final answer
    x = 3,310.79

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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.