Home / 6,636.90-9,956.82-2,195.96

Finding the Fourth Proportional to 6,636.90, 9,956.82 and 2,195.96

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Solution

The fourth proportional to 6,636.90, 9,956.82 and 2,195.96 is: 3,294.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.90 : 9,956.82 = 2,195.96 : x
  2. Step 2: Convert to fraction form
    6,636.90/9,956.82 = 2,195.96/x
  3. Step 3: Cross multiply
    6,636.90x = 9,956.82 × 2,195.96
  4. Step 4: Simplify right side
    6,636.90x = 21,864,792.91
  5. Step 5: Solve for x
    x = 21,864,792.91/6,636.90
  6. Step 6: Final answer
    x = 3,294.43

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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.