Home / 6,617.18-9,896.60-3,836.65

Finding the Fourth Proportional to 6,617.18, 9,896.60 and 3,836.65

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Solution

The fourth proportional to 6,617.18, 9,896.60 and 3,836.65 is: 5,738.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617.18 : 9,896.60 = 3,836.65 : x
  2. Step 2: Convert to fraction form
    6,617.18/9,896.60 = 3,836.65/x
  3. Step 3: Cross multiply
    6,617.18x = 9,896.60 × 3,836.65
  4. Step 4: Simplify right side
    6,617.18x = 37,969,790.39
  5. Step 5: Solve for x
    x = 37,969,790.39/6,617.18
  6. Step 6: Final answer
    x = 5,738.06

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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.