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Finding the Fourth Proportional to 8,939.44, 13,410.08 and 3,096.04

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Solution

The fourth proportional to 8,939.44, 13,410.08 and 3,096.04 is: 4,644.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939.44 : 13,410.08 = 3,096.04 : x
  2. Step 2: Convert to fraction form
    8,939.44/13,410.08 = 3,096.04/x
  3. Step 3: Cross multiply
    8,939.44x = 13,410.08 × 3,096.04
  4. Step 4: Simplify right side
    8,939.44x = 41,518,144.08
  5. Step 5: Solve for x
    x = 41,518,144.08/8,939.44
  6. Step 6: Final answer
    x = 4,644.38

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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.