Home / 7,788.48-11,684.09-3,348.87

Finding the Fourth Proportional to 7,788.48, 11,684.09 and 3,348.87

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Solution

The fourth proportional to 7,788.48, 11,684.09 and 3,348.87 is: 5,023.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788.48 : 11,684.09 = 3,348.87 : x
  2. Step 2: Convert to fraction form
    7,788.48/11,684.09 = 3,348.87/x
  3. Step 3: Cross multiply
    7,788.48x = 11,684.09 × 3,348.87
  4. Step 4: Simplify right side
    7,788.48x = 39,128,481.73
  5. Step 5: Solve for x
    x = 39,128,481.73/7,788.48
  6. Step 6: Final answer
    x = 5,023.89

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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.