Home / 6,942.90-9,581.16-3,799.08

Finding the Fourth Proportional to 6,942.90, 9,581.16 and 3,799.08

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Solution

The fourth proportional to 6,942.90, 9,581.16 and 3,799.08 is: 5,242.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.90 : 9,581.16 = 3,799.08 : x
  2. Step 2: Convert to fraction form
    6,942.90/9,581.16 = 3,799.08/x
  3. Step 3: Cross multiply
    6,942.90x = 9,581.16 × 3,799.08
  4. Step 4: Simplify right side
    6,942.90x = 36,399,593.33
  5. Step 5: Solve for x
    x = 36,399,593.33/6,942.90
  6. Step 6: Final answer
    x = 5,242.71

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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.