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Finding the Fourth Proportional to 8,808.49, 13,191.81 and 7,237.54

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Solution

The fourth proportional to 8,808.49, 13,191.81 and 7,237.54 is: 10,839.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.49 : 13,191.81 = 7,237.54 : x
  2. Step 2: Convert to fraction form
    8,808.49/13,191.81 = 7,237.54/x
  3. Step 3: Cross multiply
    8,808.49x = 13,191.81 × 7,237.54
  4. Step 4: Simplify right side
    8,808.49x = 95,476,252.55
  5. Step 5: Solve for x
    x = 95,476,252.55/8,808.49
  6. Step 6: Final answer
    x = 10,839.12

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1.5x scale

Why These Related Problems?

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