Home / 6,823.17-9,415.17-3,839.31

Finding the Fourth Proportional to 6,823.17, 9,415.17 and 3,839.31

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Solution

The fourth proportional to 6,823.17, 9,415.17 and 3,839.31 is: 5,297.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,823.17 : 9,415.17 = 3,839.31 : x
  2. Step 2: Convert to fraction form
    6,823.17/9,415.17 = 3,839.31/x
  3. Step 3: Cross multiply
    6,823.17x = 9,415.17 × 3,839.31
  4. Step 4: Simplify right side
    6,823.17x = 36,147,756.33
  5. Step 5: Solve for x
    x = 36,147,756.33/6,823.17
  6. Step 6: Final answer
    x = 5,297.80

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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.