Home / 6,776.30-9,349.08-3,791.72

Finding the Fourth Proportional to 6,776.30, 9,349.08 and 3,791.72

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Solution

The fourth proportional to 6,776.30, 9,349.08 and 3,791.72 is: 5,231.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,776.30 : 9,349.08 = 3,791.72 : x
  2. Step 2: Convert to fraction form
    6,776.30/9,349.08 = 3,791.72/x
  3. Step 3: Cross multiply
    6,776.30x = 9,349.08 × 3,791.72
  4. Step 4: Simplify right side
    6,776.30x = 35,449,093.62
  5. Step 5: Solve for x
    x = 35,449,093.62/6,776.30
  6. Step 6: Final answer
    x = 5,231.33

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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.