Home / 7,941.66-11,912.34-2,018.58

Finding the Fourth Proportional to 7,941.66, 11,912.34 and 2,018.58

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Solution

The fourth proportional to 7,941.66, 11,912.34 and 2,018.58 is: 3,027.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.66 : 11,912.34 = 2,018.58 : x
  2. Step 2: Convert to fraction form
    7,941.66/11,912.34 = 2,018.58/x
  3. Step 3: Cross multiply
    7,941.66x = 11,912.34 × 2,018.58
  4. Step 4: Simplify right side
    7,941.66x = 24,046,011.28
  5. Step 5: Solve for x
    x = 24,046,011.28/7,941.66
  6. Step 6: Final answer
    x = 3,027.83

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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.