Home / 6,723.26-9,277.90-3,891.09

Finding the Fourth Proportional to 6,723.26, 9,277.90 and 3,891.09

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Solution

The fourth proportional to 6,723.26, 9,277.90 and 3,891.09 is: 5,369.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,723.26 : 9,277.90 = 3,891.09 : x
  2. Step 2: Convert to fraction form
    6,723.26/9,277.90 = 3,891.09/x
  3. Step 3: Cross multiply
    6,723.26x = 9,277.90 × 3,891.09
  4. Step 4: Simplify right side
    6,723.26x = 36,101,134.18
  5. Step 5: Solve for x
    x = 36,101,134.18/6,723.26
  6. Step 6: Final answer
    x = 5,369.59

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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.