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Finding the Fourth Proportional to 6,096.64, 9,144.96 and 2,809.12

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Solution

The fourth proportional to 6,096.64, 9,144.96 and 2,809.12 is: 4,213.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,096.64 : 9,144.96 = 2,809.12 : x
  2. Step 2: Convert to fraction form
    6,096.64/9,144.96 = 2,809.12/x
  3. Step 3: Cross multiply
    6,096.64x = 9,144.96 × 2,809.12
  4. Step 4: Simplify right side
    6,096.64x = 25,689,290.04
  5. Step 5: Solve for x
    x = 25,689,290.04/6,096.64
  6. Step 6: Final answer
    x = 4,213.68

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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.