Home / 6,909.80-10,369.24-3,791.99

Finding the Fourth Proportional to 6,909.80, 10,369.24 and 3,791.99

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Solution

The fourth proportional to 6,909.80, 10,369.24 and 3,791.99 is: 5,690.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.80 : 10,369.24 = 3,791.99 : x
  2. Step 2: Convert to fraction form
    6,909.80/10,369.24 = 3,791.99/x
  3. Step 3: Cross multiply
    6,909.80x = 10,369.24 × 3,791.99
  4. Step 4: Simplify right side
    6,909.80x = 39,320,054.39
  5. Step 5: Solve for x
    x = 39,320,054.39/6,909.80
  6. Step 6: Final answer
    x = 5,690.48

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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.