Home / 6,912.14-9,538.62-3,768.26

Finding the Fourth Proportional to 6,912.14, 9,538.62 and 3,768.26

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Solution

The fourth proportional to 6,912.14, 9,538.62 and 3,768.26 is: 5,200.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.14 : 9,538.62 = 3,768.26 : x
  2. Step 2: Convert to fraction form
    6,912.14/9,538.62 = 3,768.26/x
  3. Step 3: Cross multiply
    6,912.14x = 9,538.62 × 3,768.26
  4. Step 4: Simplify right side
    6,912.14x = 35,944,000.20
  5. Step 5: Solve for x
    x = 35,944,000.20/6,912.14
  6. Step 6: Final answer
    x = 5,200.13

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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.