Home / 7,179.56-10,766.60-3,430.68

Finding the Fourth Proportional to 7,179.56, 10,766.60 and 3,430.68

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Solution

The fourth proportional to 7,179.56, 10,766.60 and 3,430.68 is: 5,144.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.56 : 10,766.60 = 3,430.68 : x
  2. Step 2: Convert to fraction form
    7,179.56/10,766.60 = 3,430.68/x
  3. Step 3: Cross multiply
    7,179.56x = 10,766.60 × 3,430.68
  4. Step 4: Simplify right side
    7,179.56x = 36,936,759.29
  5. Step 5: Solve for x
    x = 36,936,759.29/7,179.56
  6. Step 6: Final answer
    x = 5,144.71

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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.