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Finding the Fourth Proportional to 6,516.16, 8,992.96 and 3,864.64

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Solution

The fourth proportional to 6,516.16, 8,992.96 and 3,864.64 is: 5,333.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516.16 : 8,992.96 = 3,864.64 : x
  2. Step 2: Convert to fraction form
    6,516.16/8,992.96 = 3,864.64/x
  3. Step 3: Cross multiply
    6,516.16x = 8,992.96 × 3,864.64
  4. Step 4: Simplify right side
    6,516.16x = 34,754,552.93
  5. Step 5: Solve for x
    x = 34,754,552.93/6,516.16
  6. Step 6: Final answer
    x = 5,333.59

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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.