Home / 6,660.72-9,192.09-3,676.56

Finding the Fourth Proportional to 6,660.72, 9,192.09 and 3,676.56

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Solution

The fourth proportional to 6,660.72, 9,192.09 and 3,676.56 is: 5,073.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.72 : 9,192.09 = 3,676.56 : x
  2. Step 2: Convert to fraction form
    6,660.72/9,192.09 = 3,676.56/x
  3. Step 3: Cross multiply
    6,660.72x = 9,192.09 × 3,676.56
  4. Step 4: Simplify right side
    6,660.72x = 33,795,270.41
  5. Step 5: Solve for x
    x = 33,795,270.41/6,660.72
  6. Step 6: Final answer
    x = 5,073.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.