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Finding the Fourth Proportional to 6,994.70, 10,489.61 and 2,063.03

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Solution

The fourth proportional to 6,994.70, 10,489.61 and 2,063.03 is: 3,093.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,994.70 : 10,489.61 = 2,063.03 : x
  2. Step 2: Convert to fraction form
    6,994.70/10,489.61 = 2,063.03/x
  3. Step 3: Cross multiply
    6,994.70x = 10,489.61 × 2,063.03
  4. Step 4: Simplify right side
    6,994.70x = 21,640,369.80
  5. Step 5: Solve for x
    x = 21,640,369.80/6,994.70
  6. Step 6: Final answer
    x = 3,093.82

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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.