Home / 4,929.12-7,396.92-2,739.42

Finding the Fourth Proportional to 4,929.12, 7,396.92 and 2,739.42

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Solution

The fourth proportional to 4,929.12, 7,396.92 and 2,739.42 is: 4,110.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.12 : 7,396.92 = 2,739.42 : x
  2. Step 2: Convert to fraction form
    4,929.12/7,396.92 = 2,739.42/x
  3. Step 3: Cross multiply
    4,929.12x = 7,396.92 × 2,739.42
  4. Step 4: Simplify right side
    4,929.12x = 20,263,270.59
  5. Step 5: Solve for x
    x = 20,263,270.59/4,929.12
  6. Step 6: Final answer
    x = 4,110.93

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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.