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Finding the Fourth Proportional to 6,624.96, 9,930.96 and 2,732.64

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Solution

The fourth proportional to 6,624.96, 9,930.96 and 2,732.64 is: 4,096.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624.96 : 9,930.96 = 2,732.64 : x
  2. Step 2: Convert to fraction form
    6,624.96/9,930.96 = 2,732.64/x
  3. Step 3: Cross multiply
    6,624.96x = 9,930.96 × 2,732.64
  4. Step 4: Simplify right side
    6,624.96x = 27,137,738.53
  5. Step 5: Solve for x
    x = 27,137,738.53/6,624.96
  6. Step 6: Final answer
    x = 4,096.29

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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.