Home / 7,481.38-11,218.62-2,214.51

Finding the Fourth Proportional to 7,481.38, 11,218.62 and 2,214.51

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Solution

The fourth proportional to 7,481.38, 11,218.62 and 2,214.51 is: 3,320.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.38 : 11,218.62 = 2,214.51 : x
  2. Step 2: Convert to fraction form
    7,481.38/11,218.62 = 2,214.51/x
  3. Step 3: Cross multiply
    7,481.38x = 11,218.62 × 2,214.51
  4. Step 4: Simplify right side
    7,481.38x = 24,843,690.08
  5. Step 5: Solve for x
    x = 24,843,690.08/7,481.38
  6. Step 6: Final answer
    x = 3,320.74

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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.