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Finding the Fourth Proportional to 8,822.52, 13,243.50 and 7,452.81

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Solution

The fourth proportional to 8,822.52, 13,243.50 and 7,452.81 is: 11,187.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,822.52 : 13,243.50 = 7,452.81 : x
  2. Step 2: Convert to fraction form
    8,822.52/13,243.50 = 7,452.81/x
  3. Step 3: Cross multiply
    8,822.52x = 13,243.50 × 7,452.81
  4. Step 4: Simplify right side
    8,822.52x = 98,701,289.24
  5. Step 5: Solve for x
    x = 98,701,289.24/8,822.52
  6. Step 6: Final answer
    x = 11,187.43

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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.