Home / 7,734.60-11,601.22-2,187.83

Finding the Fourth Proportional to 7,734.60, 11,601.22 and 2,187.83

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Solution

The fourth proportional to 7,734.60, 11,601.22 and 2,187.83 is: 3,281.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,734.60 : 11,601.22 = 2,187.83 : x
  2. Step 2: Convert to fraction form
    7,734.60/11,601.22 = 2,187.83/x
  3. Step 3: Cross multiply
    7,734.60x = 11,601.22 × 2,187.83
  4. Step 4: Simplify right side
    7,734.60x = 25,381,433.68
  5. Step 5: Solve for x
    x = 25,381,433.68/7,734.60
  6. Step 6: Final answer
    x = 3,281.54

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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.