Home / 4,222.73-6,334.67-3,989.57

Finding the Fourth Proportional to 4,222.73, 6,334.67 and 3,989.57

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Solution

The fourth proportional to 4,222.73, 6,334.67 and 3,989.57 is: 5,984.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.73 : 6,334.67 = 3,989.57 : x
  2. Step 2: Convert to fraction form
    4,222.73/6,334.67 = 3,989.57/x
  3. Step 3: Cross multiply
    4,222.73x = 6,334.67 × 3,989.57
  4. Step 4: Simplify right side
    4,222.73x = 25,272,579.77
  5. Step 5: Solve for x
    x = 25,272,579.77/4,222.73
  6. Step 6: Final answer
    x = 5,984.89

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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.