Home / 7,183.73-9,912.92-4,039.31

Finding the Fourth Proportional to 7,183.73, 9,912.92 and 4,039.31

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Solution

The fourth proportional to 7,183.73, 9,912.92 and 4,039.31 is: 5,573.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183.73 : 9,912.92 = 4,039.31 : x
  2. Step 2: Convert to fraction form
    7,183.73/9,912.92 = 4,039.31/x
  3. Step 3: Cross multiply
    7,183.73x = 9,912.92 × 4,039.31
  4. Step 4: Simplify right side
    7,183.73x = 40,041,361.47
  5. Step 5: Solve for x
    x = 40,041,361.47/7,183.73
  6. Step 6: Final answer
    x = 5,573.89

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1.5x scale

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.