Home / 5,338.20-8,001.83-2,220.02

Finding the Fourth Proportional to 5,338.20, 8,001.83 and 2,220.02

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Solution

The fourth proportional to 5,338.20, 8,001.83 and 2,220.02 is: 3,327.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.20 : 8,001.83 = 2,220.02 : x
  2. Step 2: Convert to fraction form
    5,338.20/8,001.83 = 2,220.02/x
  3. Step 3: Cross multiply
    5,338.20x = 8,001.83 × 2,220.02
  4. Step 4: Simplify right side
    5,338.20x = 17,764,171.53
  5. Step 5: Solve for x
    x = 17,764,171.53/5,338.20
  6. Step 6: Final answer
    x = 3,327.75

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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.