Home / 4,788.42-7,190.19-2,849.28

Finding the Fourth Proportional to 4,788.42, 7,190.19 and 2,849.28

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Solution

The fourth proportional to 4,788.42, 7,190.19 and 2,849.28 is: 4,278.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788.42 : 7,190.19 = 2,849.28 : x
  2. Step 2: Convert to fraction form
    4,788.42/7,190.19 = 2,849.28/x
  3. Step 3: Cross multiply
    4,788.42x = 7,190.19 × 2,849.28
  4. Step 4: Simplify right side
    4,788.42x = 20,486,864.56
  5. Step 5: Solve for x
    x = 20,486,864.56/4,788.42
  6. Step 6: Final answer
    x = 4,278.42

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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.