Home / 6,440.06-9,661.92-2,057.86

Finding the Fourth Proportional to 6,440.06, 9,661.92 and 2,057.86

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Solution

The fourth proportional to 6,440.06, 9,661.92 and 2,057.86 is: 3,087.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.06 : 9,661.92 = 2,057.86 : x
  2. Step 2: Convert to fraction form
    6,440.06/9,661.92 = 2,057.86/x
  3. Step 3: Cross multiply
    6,440.06x = 9,661.92 × 2,057.86
  4. Step 4: Simplify right side
    6,440.06x = 19,882,878.69
  5. Step 5: Solve for x
    x = 19,882,878.69/6,440.06
  6. Step 6: Final answer
    x = 3,087.37

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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.