Home / 7,942.73-11,912.72-3,011.18

Finding the Fourth Proportional to 7,942.73, 11,912.72 and 3,011.18

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Solution

The fourth proportional to 7,942.73, 11,912.72 and 3,011.18 is: 4,516.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.73 : 11,912.72 = 3,011.18 : x
  2. Step 2: Convert to fraction form
    7,942.73/11,912.72 = 3,011.18/x
  3. Step 3: Cross multiply
    7,942.73x = 11,912.72 × 3,011.18
  4. Step 4: Simplify right side
    7,942.73x = 35,871,269.59
  5. Step 5: Solve for x
    x = 35,871,269.59/7,942.73
  6. Step 6: Final answer
    x = 4,516.24

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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.