Home / 7,538.39-11,314.50-3,843.37

Finding the Fourth Proportional to 7,538.39, 11,314.50 and 3,843.37

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Solution

The fourth proportional to 7,538.39, 11,314.50 and 3,843.37 is: 5,768.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.39 : 11,314.50 = 3,843.37 : x
  2. Step 2: Convert to fraction form
    7,538.39/11,314.50 = 3,843.37/x
  3. Step 3: Cross multiply
    7,538.39x = 11,314.50 × 3,843.37
  4. Step 4: Simplify right side
    7,538.39x = 43,485,809.87
  5. Step 5: Solve for x
    x = 43,485,809.87/7,538.39
  6. Step 6: Final answer
    x = 5,768.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.