Home / 6,788-9,367.44-3,995.12

Finding the Fourth Proportional to 6,788, 9,367.44 and 3,995.12

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Solution

The fourth proportional to 6,788, 9,367.44 and 3,995.12 is: 5,513.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,788 : 9,367.44 = 3,995.12 : x
  2. Step 2: Convert to fraction form
    6,788/9,367.44 = 3,995.12/x
  3. Step 3: Cross multiply
    6,788x = 9,367.44 × 3,995.12
  4. Step 4: Simplify right side
    6,788x = 37,424,046.89
  5. Step 5: Solve for x
    x = 37,424,046.89/6,788
  6. Step 6: Final answer
    x = 5,513.27

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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.