Home / 7,183.31-9,912.94-4,039.49

Finding the Fourth Proportional to 7,183.31, 9,912.94 and 4,039.49

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Solution

The fourth proportional to 7,183.31, 9,912.94 and 4,039.49 is: 5,574.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183.31 : 9,912.94 = 4,039.49 : x
  2. Step 2: Convert to fraction form
    7,183.31/9,912.94 = 4,039.49/x
  3. Step 3: Cross multiply
    7,183.31x = 9,912.94 × 4,039.49
  4. Step 4: Simplify right side
    7,183.31x = 40,043,236.68
  5. Step 5: Solve for x
    x = 40,043,236.68/7,183.31
  6. Step 6: Final answer
    x = 5,574.49

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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.