Home / 9,183.40-13,757.40-5,488.60

Finding the Fourth Proportional to 9,183.40, 13,757.40 and 5,488.60

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Solution

The fourth proportional to 9,183.40, 13,757.40 and 5,488.60 is: 8,222.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,183.40 : 13,757.40 = 5,488.60 : x
  2. Step 2: Convert to fraction form
    9,183.40/13,757.40 = 5,488.60/x
  3. Step 3: Cross multiply
    9,183.40x = 13,757.40 × 5,488.60
  4. Step 4: Simplify right side
    9,183.40x = 75,508,865.64
  5. Step 5: Solve for x
    x = 75,508,865.64/9,183.40
  6. Step 6: Final answer
    x = 8,222.32

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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.