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Finding the Fourth Proportional to 7,333.62, 10,120.34 and 3,976.36

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Solution

The fourth proportional to 7,333.62, 10,120.34 and 3,976.36 is: 5,487.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,333.62 : 10,120.34 = 3,976.36 : x
  2. Step 2: Convert to fraction form
    7,333.62/10,120.34 = 3,976.36/x
  3. Step 3: Cross multiply
    7,333.62x = 10,120.34 × 3,976.36
  4. Step 4: Simplify right side
    7,333.62x = 40,242,115.16
  5. Step 5: Solve for x
    x = 40,242,115.16/7,333.62
  6. Step 6: Final answer
    x = 5,487.35

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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.