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Finding the Fourth Proportional to 8,809.11, 13,211.64 and 5,252.24

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Solution

The fourth proportional to 8,809.11, 13,211.64 and 5,252.24 is: 7,877.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.11 : 13,211.64 = 5,252.24 : x
  2. Step 2: Convert to fraction form
    8,809.11/13,211.64 = 5,252.24/x
  3. Step 3: Cross multiply
    8,809.11x = 13,211.64 × 5,252.24
  4. Step 4: Simplify right side
    8,809.11x = 69,390,662.69
  5. Step 5: Solve for x
    x = 69,390,662.69/8,809.11
  6. Step 6: Final answer
    x = 7,877.15

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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.