Home / 7,945.53-11,922.18-3,201.49

Finding the Fourth Proportional to 7,945.53, 11,922.18 and 3,201.49

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Solution

The fourth proportional to 7,945.53, 11,922.18 and 3,201.49 is: 4,803.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.53 : 11,922.18 = 3,201.49 : x
  2. Step 2: Convert to fraction form
    7,945.53/11,922.18 = 3,201.49/x
  3. Step 3: Cross multiply
    7,945.53x = 11,922.18 × 3,201.49
  4. Step 4: Simplify right side
    7,945.53x = 38,168,740.05
  5. Step 5: Solve for x
    x = 38,168,740.05/7,945.53
  6. Step 6: Final answer
    x = 4,803.80

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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.