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Finding the Fourth Proportional to 6,516.16, 8,991.84 and 3,684

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Solution

The fourth proportional to 6,516.16, 8,991.84 and 3,684 is: 5,083.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516.16 : 8,991.84 = 3,684 : x
  2. Step 2: Convert to fraction form
    6,516.16/8,991.84 = 3,684/x
  3. Step 3: Cross multiply
    6,516.16x = 8,991.84 × 3,684
  4. Step 4: Simplify right side
    6,516.16x = 33,125,938.56
  5. Step 5: Solve for x
    x = 33,125,938.56/6,516.16
  6. Step 6: Final answer
    x = 5,083.66

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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.