Home / 7,941.96-11,917.68-3,012.24

Finding the Fourth Proportional to 7,941.96, 11,917.68 and 3,012.24

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Solution

The fourth proportional to 7,941.96, 11,917.68 and 3,012.24 is: 4,520.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.96 : 11,917.68 = 3,012.24 : x
  2. Step 2: Convert to fraction form
    7,941.96/11,917.68 = 3,012.24/x
  3. Step 3: Cross multiply
    7,941.96x = 11,917.68 × 3,012.24
  4. Step 4: Simplify right side
    7,941.96x = 35,898,912.40
  5. Step 5: Solve for x
    x = 35,898,912.40/7,941.96
  6. Step 6: Final answer
    x = 4,520.16

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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.