Home / 7,804.06-11,706.18-2,609.80

Finding the Fourth Proportional to 7,804.06, 11,706.18 and 2,609.80

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Solution

The fourth proportional to 7,804.06, 11,706.18 and 2,609.80 is: 3,914.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,804.06 : 11,706.18 = 2,609.80 : x
  2. Step 2: Convert to fraction form
    7,804.06/11,706.18 = 2,609.80/x
  3. Step 3: Cross multiply
    7,804.06x = 11,706.18 × 2,609.80
  4. Step 4: Simplify right side
    7,804.06x = 30,550,788.56
  5. Step 5: Solve for x
    x = 30,550,788.56/7,804.06
  6. Step 6: Final answer
    x = 3,914.73

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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.