Home / 6,996.88-10,469.40-5,149.36

Finding the Fourth Proportional to 6,996.88, 10,469.40 and 5,149.36

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Solution

The fourth proportional to 6,996.88, 10,469.40 and 5,149.36 is: 7,704.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,996.88 : 10,469.40 = 5,149.36 : x
  2. Step 2: Convert to fraction form
    6,996.88/10,469.40 = 5,149.36/x
  3. Step 3: Cross multiply
    6,996.88x = 10,469.40 × 5,149.36
  4. Step 4: Simplify right side
    6,996.88x = 53,910,709.58
  5. Step 5: Solve for x
    x = 53,910,709.58/6,996.88
  6. Step 6: Final answer
    x = 7,704.96

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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.