Home / 5,276.31-7,914.41-2,198.31

Finding the Fourth Proportional to 5,276.31, 7,914.41 and 2,198.31

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Solution

The fourth proportional to 5,276.31, 7,914.41 and 2,198.31 is: 3,297.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.31 : 7,914.41 = 2,198.31 : x
  2. Step 2: Convert to fraction form
    5,276.31/7,914.41 = 2,198.31/x
  3. Step 3: Cross multiply
    5,276.31x = 7,914.41 × 2,198.31
  4. Step 4: Simplify right side
    5,276.31x = 17,398,315.66
  5. Step 5: Solve for x
    x = 17,398,315.66/5,276.31
  6. Step 6: Final answer
    x = 3,297.44

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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.