Home / 6,791.12-10,191.80-5,439.44

Finding the Fourth Proportional to 6,791.12, 10,191.80 and 5,439.44

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Solution

The fourth proportional to 6,791.12, 10,191.80 and 5,439.44 is: 8,163.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,791.12 : 10,191.80 = 5,439.44 : x
  2. Step 2: Convert to fraction form
    6,791.12/10,191.80 = 5,439.44/x
  3. Step 3: Cross multiply
    6,791.12x = 10,191.80 × 5,439.44
  4. Step 4: Simplify right side
    6,791.12x = 55,437,684.59
  5. Step 5: Solve for x
    x = 55,437,684.59/6,791.12
  6. Step 6: Final answer
    x = 8,163.26

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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.