Home / 6,370.81-8,791.42-3,538.37

Finding the Fourth Proportional to 6,370.81, 8,791.42 and 3,538.37

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Solution

The fourth proportional to 6,370.81, 8,791.42 and 3,538.37 is: 4,882.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,370.81 : 8,791.42 = 3,538.37 : x
  2. Step 2: Convert to fraction form
    6,370.81/8,791.42 = 3,538.37/x
  3. Step 3: Cross multiply
    6,370.81x = 8,791.42 × 3,538.37
  4. Step 4: Simplify right side
    6,370.81x = 31,107,235.14
  5. Step 5: Solve for x
    x = 31,107,235.14/6,370.81
  6. Step 6: Final answer
    x = 4,882.78

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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.