Home / 4,791.79-7,179.55-3,398.18

Finding the Fourth Proportional to 4,791.79, 7,179.55 and 3,398.18

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Solution

The fourth proportional to 4,791.79, 7,179.55 and 3,398.18 is: 5,091.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.79 : 7,179.55 = 3,398.18 : x
  2. Step 2: Convert to fraction form
    4,791.79/7,179.55 = 3,398.18/x
  3. Step 3: Cross multiply
    4,791.79x = 7,179.55 × 3,398.18
  4. Step 4: Simplify right side
    4,791.79x = 24,397,412.67
  5. Step 5: Solve for x
    x = 24,397,412.67/4,791.79
  6. Step 6: Final answer
    x = 5,091.51

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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.