Home / 7,408.26-11,112.12-2,214

Finding the Fourth Proportional to 7,408.26, 11,112.12 and 2,214

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Solution

The fourth proportional to 7,408.26, 11,112.12 and 2,214 is: 3,320.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.26 : 11,112.12 = 2,214 : x
  2. Step 2: Convert to fraction form
    7,408.26/11,112.12 = 2,214/x
  3. Step 3: Cross multiply
    7,408.26x = 11,112.12 × 2,214
  4. Step 4: Simplify right side
    7,408.26x = 24,602,233.68
  5. Step 5: Solve for x
    x = 24,602,233.68/7,408.26
  6. Step 6: Final answer
    x = 3,320.92

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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.