Home / 9,212.89-13,819.33-2,287.39

Finding the Fourth Proportional to 9,212.89, 13,819.33 and 2,287.39

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Solution

The fourth proportional to 9,212.89, 13,819.33 and 2,287.39 is: 3,431.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.89 : 13,819.33 = 2,287.39 : x
  2. Step 2: Convert to fraction form
    9,212.89/13,819.33 = 2,287.39/x
  3. Step 3: Cross multiply
    9,212.89x = 13,819.33 × 2,287.39
  4. Step 4: Simplify right side
    9,212.89x = 31,610,128.15
  5. Step 5: Solve for x
    x = 31,610,128.15/9,212.89
  6. Step 6: Final answer
    x = 3,431.08

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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.