Home / 7,918.60-11,883.13-4,223.49

Finding the Fourth Proportional to 7,918.60, 11,883.13 and 4,223.49

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Solution

The fourth proportional to 7,918.60, 11,883.13 and 4,223.49 is: 6,338.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.60 : 11,883.13 = 4,223.49 : x
  2. Step 2: Convert to fraction form
    7,918.60/11,883.13 = 4,223.49/x
  3. Step 3: Cross multiply
    7,918.60x = 11,883.13 × 4,223.49
  4. Step 4: Simplify right side
    7,918.60x = 50,188,221.31
  5. Step 5: Solve for x
    x = 50,188,221.31/7,918.60
  6. Step 6: Final answer
    x = 6,338.02

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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.