Home / 7,949.14-11,913.99-2,748.94

Finding the Fourth Proportional to 7,949.14, 11,913.99 and 2,748.94

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Solution

The fourth proportional to 7,949.14, 11,913.99 and 2,748.94 is: 4,120.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949.14 : 11,913.99 = 2,748.94 : x
  2. Step 2: Convert to fraction form
    7,949.14/11,913.99 = 2,748.94/x
  3. Step 3: Cross multiply
    7,949.14x = 11,913.99 × 2,748.94
  4. Step 4: Simplify right side
    7,949.14x = 32,750,843.67
  5. Step 5: Solve for x
    x = 32,750,843.67/7,949.14
  6. Step 6: Final answer
    x = 4,120.05

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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.