Home / 6,764.43-10,131.51-3,911.41

Finding the Fourth Proportional to 6,764.43, 10,131.51 and 3,911.41

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Solution

The fourth proportional to 6,764.43, 10,131.51 and 3,911.41 is: 5,858.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,764.43 : 10,131.51 = 3,911.41 : x
  2. Step 2: Convert to fraction form
    6,764.43/10,131.51 = 3,911.41/x
  3. Step 3: Cross multiply
    6,764.43x = 10,131.51 × 3,911.41
  4. Step 4: Simplify right side
    6,764.43x = 39,628,489.53
  5. Step 5: Solve for x
    x = 39,628,489.53/6,764.43
  6. Step 6: Final answer
    x = 5,858.36

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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.