Home / 6,910.78-9,536.97-3,766.96

Finding the Fourth Proportional to 6,910.78, 9,536.97 and 3,766.96

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Solution

The fourth proportional to 6,910.78, 9,536.97 and 3,766.96 is: 5,198.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,910.78 : 9,536.97 = 3,766.96 : x
  2. Step 2: Convert to fraction form
    6,910.78/9,536.97 = 3,766.96/x
  3. Step 3: Cross multiply
    6,910.78x = 9,536.97 × 3,766.96
  4. Step 4: Simplify right side
    6,910.78x = 35,925,384.51
  5. Step 5: Solve for x
    x = 35,925,384.51/6,910.78
  6. Step 6: Final answer
    x = 5,198.46

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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.