Home / 9,321.76-13,983.08-3,082.33

Finding the Fourth Proportional to 9,321.76, 13,983.08 and 3,082.33

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Solution

The fourth proportional to 9,321.76, 13,983.08 and 3,082.33 is: 4,623.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.76 : 13,983.08 = 3,082.33 : x
  2. Step 2: Convert to fraction form
    9,321.76/13,983.08 = 3,082.33/x
  3. Step 3: Cross multiply
    9,321.76x = 13,983.08 × 3,082.33
  4. Step 4: Simplify right side
    9,321.76x = 43,100,466.98
  5. Step 5: Solve for x
    x = 43,100,466.98/9,321.76
  6. Step 6: Final answer
    x = 4,623.64

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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.