Home / 7,941.42-11,912.09-2,018.36

Finding the Fourth Proportional to 7,941.42, 11,912.09 and 2,018.36

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Solution

The fourth proportional to 7,941.42, 11,912.09 and 2,018.36 is: 3,027.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.42 : 11,912.09 = 2,018.36 : x
  2. Step 2: Convert to fraction form
    7,941.42/11,912.09 = 2,018.36/x
  3. Step 3: Cross multiply
    7,941.42x = 11,912.09 × 2,018.36
  4. Step 4: Simplify right side
    7,941.42x = 24,042,905.66
  5. Step 5: Solve for x
    x = 24,042,905.66/7,941.42
  6. Step 6: Final answer
    x = 3,027.53

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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.