Home / 7,941.41-11,912.54-2,097.86

Finding the Fourth Proportional to 7,941.41, 11,912.54 and 2,097.86

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Solution

The fourth proportional to 7,941.41, 11,912.54 and 2,097.86 is: 3,146.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.41 : 11,912.54 = 2,097.86 : x
  2. Step 2: Convert to fraction form
    7,941.41/11,912.54 = 2,097.86/x
  3. Step 3: Cross multiply
    7,941.41x = 11,912.54 × 2,097.86
  4. Step 4: Simplify right side
    7,941.41x = 24,990,771.11
  5. Step 5: Solve for x
    x = 24,990,771.11/7,941.41
  6. Step 6: Final answer
    x = 3,146.90

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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.