Home / 5,270.66-7,270.19-3,380.26

Finding the Fourth Proportional to 5,270.66, 7,270.19 and 3,380.26

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Solution

The fourth proportional to 5,270.66, 7,270.19 and 3,380.26 is: 4,662.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.66 : 7,270.19 = 3,380.26 : x
  2. Step 2: Convert to fraction form
    5,270.66/7,270.19 = 3,380.26/x
  3. Step 3: Cross multiply
    5,270.66x = 7,270.19 × 3,380.26
  4. Step 4: Simplify right side
    5,270.66x = 24,575,132.45
  5. Step 5: Solve for x
    x = 24,575,132.45/5,270.66
  6. Step 6: Final answer
    x = 4,662.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.