Home / 6,766.72-9,338.05-3,935.75

Finding the Fourth Proportional to 6,766.72, 9,338.05 and 3,935.75

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Solution

The fourth proportional to 6,766.72, 9,338.05 and 3,935.75 is: 5,431.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,766.72 : 9,338.05 = 3,935.75 : x
  2. Step 2: Convert to fraction form
    6,766.72/9,338.05 = 3,935.75/x
  3. Step 3: Cross multiply
    6,766.72x = 9,338.05 × 3,935.75
  4. Step 4: Simplify right side
    6,766.72x = 36,752,230.29
  5. Step 5: Solve for x
    x = 36,752,230.29/6,766.72
  6. Step 6: Final answer
    x = 5,431.32

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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.