Home / 6,936.40-9,571.62-3,952.12

Finding the Fourth Proportional to 6,936.40, 9,571.62 and 3,952.12

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Solution

The fourth proportional to 6,936.40, 9,571.62 and 3,952.12 is: 5,453.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.40 : 9,571.62 = 3,952.12 : x
  2. Step 2: Convert to fraction form
    6,936.40/9,571.62 = 3,952.12/x
  3. Step 3: Cross multiply
    6,936.40x = 9,571.62 × 3,952.12
  4. Step 4: Simplify right side
    6,936.40x = 37,828,190.83
  5. Step 5: Solve for x
    x = 37,828,190.83/6,936.40
  6. Step 6: Final answer
    x = 5,453.58

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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.