Home / 6,936-9,571.64-3,792.20

Finding the Fourth Proportional to 6,936, 9,571.64 and 3,792.20

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Solution

The fourth proportional to 6,936, 9,571.64 and 3,792.20 is: 5,233.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936 : 9,571.64 = 3,792.20 : x
  2. Step 2: Convert to fraction form
    6,936/9,571.64 = 3,792.20/x
  3. Step 3: Cross multiply
    6,936x = 9,571.64 × 3,792.20
  4. Step 4: Simplify right side
    6,936x = 36,297,573.21
  5. Step 5: Solve for x
    x = 36,297,573.21/6,936
  6. Step 6: Final answer
    x = 5,233.21

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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.