Home / 8,290.65-12,441.09-3,360.34

Finding the Fourth Proportional to 8,290.65, 12,441.09 and 3,360.34

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Solution

The fourth proportional to 8,290.65, 12,441.09 and 3,360.34 is: 5,042.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290.65 : 12,441.09 = 3,360.34 : x
  2. Step 2: Convert to fraction form
    8,290.65/12,441.09 = 3,360.34/x
  3. Step 3: Cross multiply
    8,290.65x = 12,441.09 × 3,360.34
  4. Step 4: Simplify right side
    8,290.65x = 41,806,250.54
  5. Step 5: Solve for x
    x = 41,806,250.54/8,290.65
  6. Step 6: Final answer
    x = 5,042.58

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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.