Home / 7,306.51-10,961.39-3,408.79

Finding the Fourth Proportional to 7,306.51, 10,961.39 and 3,408.79

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Solution

The fourth proportional to 7,306.51, 10,961.39 and 3,408.79 is: 5,113.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,306.51 : 10,961.39 = 3,408.79 : x
  2. Step 2: Convert to fraction form
    7,306.51/10,961.39 = 3,408.79/x
  3. Step 3: Cross multiply
    7,306.51x = 10,961.39 × 3,408.79
  4. Step 4: Simplify right side
    7,306.51x = 37,365,076.62
  5. Step 5: Solve for x
    x = 37,365,076.62/7,306.51
  6. Step 6: Final answer
    x = 5,113.94

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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.