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Finding the Fourth Proportional to 6,363.28, 8,781.30 and 3,568.78

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Solution

The fourth proportional to 6,363.28, 8,781.30 and 3,568.78 is: 4,924.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,363.28 : 8,781.30 = 3,568.78 : x
  2. Step 2: Convert to fraction form
    6,363.28/8,781.30 = 3,568.78/x
  3. Step 3: Cross multiply
    6,363.28x = 8,781.30 × 3,568.78
  4. Step 4: Simplify right side
    6,363.28x = 31,338,527.81
  5. Step 5: Solve for x
    x = 31,338,527.81/6,363.28
  6. Step 6: Final answer
    x = 4,924.90

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