Home / 6,936.28-9,571.92-3,792.40

Finding the Fourth Proportional to 6,936.28, 9,571.92 and 3,792.40

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Solution

The fourth proportional to 6,936.28, 9,571.92 and 3,792.40 is: 5,233.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.28 : 9,571.92 = 3,792.40 : x
  2. Step 2: Convert to fraction form
    6,936.28/9,571.92 = 3,792.40/x
  3. Step 3: Cross multiply
    6,936.28x = 9,571.92 × 3,792.40
  4. Step 4: Simplify right side
    6,936.28x = 36,300,549.41
  5. Step 5: Solve for x
    x = 36,300,549.41/6,936.28
  6. Step 6: Final answer
    x = 5,233.43

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1.5x scale

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.