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Finding the Fourth Proportional to 7,381.49, 11,072.64 and 2,451.16

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Solution

The fourth proportional to 7,381.49, 11,072.64 and 2,451.16 is: 3,676.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.49 : 11,072.64 = 2,451.16 : x
  2. Step 2: Convert to fraction form
    7,381.49/11,072.64 = 2,451.16/x
  3. Step 3: Cross multiply
    7,381.49x = 11,072.64 × 2,451.16
  4. Step 4: Simplify right side
    7,381.49x = 27,140,756.90
  5. Step 5: Solve for x
    x = 27,140,756.90/7,381.49
  6. Step 6: Final answer
    x = 3,676.87

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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.