Home / 7,738.28-11,606.36-2,192.04

Finding the Fourth Proportional to 7,738.28, 11,606.36 and 2,192.04

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Solution

The fourth proportional to 7,738.28, 11,606.36 and 2,192.04 is: 3,287.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.28 : 11,606.36 = 2,192.04 : x
  2. Step 2: Convert to fraction form
    7,738.28/11,606.36 = 2,192.04/x
  3. Step 3: Cross multiply
    7,738.28x = 11,606.36 × 2,192.04
  4. Step 4: Simplify right side
    7,738.28x = 25,441,605.37
  5. Step 5: Solve for x
    x = 25,441,605.37/7,738.28
  6. Step 6: Final answer
    x = 3,287.76

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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.