Home / 6,912.37-9,538.79-3,768.49

Finding the Fourth Proportional to 6,912.37, 9,538.79 and 3,768.49

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Solution

The fourth proportional to 6,912.37, 9,538.79 and 3,768.49 is: 5,200.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.37 : 9,538.79 = 3,768.49 : x
  2. Step 2: Convert to fraction form
    6,912.37/9,538.79 = 3,768.49/x
  3. Step 3: Cross multiply
    6,912.37x = 9,538.79 × 3,768.49
  4. Step 4: Simplify right side
    6,912.37x = 35,946,768.19
  5. Step 5: Solve for x
    x = 35,946,768.19/6,912.37
  6. Step 6: Final answer
    x = 5,200.36

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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.