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Finding the Fourth Proportional to 8,884.72, 13,329.12 and 3,041.32

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Solution

The fourth proportional to 8,884.72, 13,329.12 and 3,041.32 is: 4,562.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,884.72 : 13,329.12 = 3,041.32 : x
  2. Step 2: Convert to fraction form
    8,884.72/13,329.12 = 3,041.32/x
  3. Step 3: Cross multiply
    8,884.72x = 13,329.12 × 3,041.32
  4. Step 4: Simplify right side
    8,884.72x = 40,538,119.24
  5. Step 5: Solve for x
    x = 40,538,119.24/8,884.72
  6. Step 6: Final answer
    x = 4,562.68

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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.