Home / 7,270.29-10,906.55-3,110.31

Finding the Fourth Proportional to 7,270.29, 10,906.55 and 3,110.31

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Solution

The fourth proportional to 7,270.29, 10,906.55 and 3,110.31 is: 4,665.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.29 : 10,906.55 = 3,110.31 : x
  2. Step 2: Convert to fraction form
    7,270.29/10,906.55 = 3,110.31/x
  3. Step 3: Cross multiply
    7,270.29x = 10,906.55 × 3,110.31
  4. Step 4: Simplify right side
    7,270.29x = 33,922,751.53
  5. Step 5: Solve for x
    x = 33,922,751.53/7,270.29
  6. Step 6: Final answer
    x = 4,665.94

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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.