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Finding the Fourth Proportional to 6,379.28, 9,568.41 and 2,869.48

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Solution

The fourth proportional to 6,379.28, 9,568.41 and 2,869.48 is: 4,303.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.28 : 9,568.41 = 2,869.48 : x
  2. Step 2: Convert to fraction form
    6,379.28/9,568.41 = 2,869.48/x
  3. Step 3: Cross multiply
    6,379.28x = 9,568.41 × 2,869.48
  4. Step 4: Simplify right side
    6,379.28x = 27,456,361.13
  5. Step 5: Solve for x
    x = 27,456,361.13/6,379.28
  6. Step 6: Final answer
    x = 4,303.99

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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.