Home / 7,788.93-11,677.73-3,107.54

Finding the Fourth Proportional to 7,788.93, 11,677.73 and 3,107.54

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Solution

The fourth proportional to 7,788.93, 11,677.73 and 3,107.54 is: 4,659.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788.93 : 11,677.73 = 3,107.54 : x
  2. Step 2: Convert to fraction form
    7,788.93/11,677.73 = 3,107.54/x
  3. Step 3: Cross multiply
    7,788.93x = 11,677.73 × 3,107.54
  4. Step 4: Simplify right side
    7,788.93x = 36,288,954.70
  5. Step 5: Solve for x
    x = 36,288,954.70/7,788.93
  6. Step 6: Final answer
    x = 4,659.04

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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.