Home / 5,281.67-7,906.09-3,329.78

Finding the Fourth Proportional to 5,281.67, 7,906.09 and 3,329.78

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Solution

The fourth proportional to 5,281.67, 7,906.09 and 3,329.78 is: 4,984.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.67 : 7,906.09 = 3,329.78 : x
  2. Step 2: Convert to fraction form
    5,281.67/7,906.09 = 3,329.78/x
  3. Step 3: Cross multiply
    5,281.67x = 7,906.09 × 3,329.78
  4. Step 4: Simplify right side
    5,281.67x = 26,325,540.36
  5. Step 5: Solve for x
    x = 26,325,540.36/5,281.67
  6. Step 6: Final answer
    x = 4,984.32

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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.