Home / 4,839.62-7,249.91-3,191.13

Finding the Fourth Proportional to 4,839.62, 7,249.91 and 3,191.13

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Solution

The fourth proportional to 4,839.62, 7,249.91 and 3,191.13 is: 4,780.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.62 : 7,249.91 = 3,191.13 : x
  2. Step 2: Convert to fraction form
    4,839.62/7,249.91 = 3,191.13/x
  3. Step 3: Cross multiply
    4,839.62x = 7,249.91 × 3,191.13
  4. Step 4: Simplify right side
    4,839.62x = 23,135,389.34
  5. Step 5: Solve for x
    x = 23,135,389.34/4,839.62
  6. Step 6: Final answer
    x = 4,780.42

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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.