Home / 6,981.08-9,633.82-3,996.76

Finding the Fourth Proportional to 6,981.08, 9,633.82 and 3,996.76

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Solution

The fourth proportional to 6,981.08, 9,633.82 and 3,996.76 is: 5,515.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.08 : 9,633.82 = 3,996.76 : x
  2. Step 2: Convert to fraction form
    6,981.08/9,633.82 = 3,996.76/x
  3. Step 3: Cross multiply
    6,981.08x = 9,633.82 × 3,996.76
  4. Step 4: Simplify right side
    6,981.08x = 38,504,066.42
  5. Step 5: Solve for x
    x = 38,504,066.42/6,981.08
  6. Step 6: Final answer
    x = 5,515.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.