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Finding the Fourth Proportional to 7,992.55, 11,992.93 and 3,553.26

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Solution

The fourth proportional to 7,992.55, 11,992.93 and 3,553.26 is: 5,331.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.55 : 11,992.93 = 3,553.26 : x
  2. Step 2: Convert to fraction form
    7,992.55/11,992.93 = 3,553.26/x
  3. Step 3: Cross multiply
    7,992.55x = 11,992.93 × 3,553.26
  4. Step 4: Simplify right side
    7,992.55x = 42,613,989.57
  5. Step 5: Solve for x
    x = 42,613,989.57/7,992.55
  6. Step 6: Final answer
    x = 5,331.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.