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Finding the Fourth Proportional to 8,683.56, 11,984.49 and 5,325.78

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Solution

The fourth proportional to 8,683.56, 11,984.49 and 5,325.78 is: 7,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.56 : 11,984.49 = 5,325.78 : x
  2. Step 2: Convert to fraction form
    8,683.56/11,984.49 = 5,325.78/x
  3. Step 3: Cross multiply
    8,683.56x = 11,984.49 × 5,325.78
  4. Step 4: Simplify right side
    8,683.56x = 63,826,757.15
  5. Step 5: Solve for x
    x = 63,826,757.15/8,683.56
  6. Step 6: Final answer
    x = 7,350.30

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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.