Home / 7,945.47-11,922.92-3,019.26

Finding the Fourth Proportional to 7,945.47, 11,922.92 and 3,019.26

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Solution

The fourth proportional to 7,945.47, 11,922.92 and 3,019.26 is: 4,530.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.47 : 11,922.92 = 3,019.26 : x
  2. Step 2: Convert to fraction form
    7,945.47/11,922.92 = 3,019.26/x
  3. Step 3: Cross multiply
    7,945.47x = 11,922.92 × 3,019.26
  4. Step 4: Simplify right side
    7,945.47x = 35,998,380.34
  5. Step 5: Solve for x
    x = 35,998,380.34/7,945.47
  6. Step 6: Final answer
    x = 4,530.68

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1.5x scale

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.