Home / 7,941.15-11,912.19-2,675.72

Finding the Fourth Proportional to 7,941.15, 11,912.19 and 2,675.72

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Solution

The fourth proportional to 7,941.15, 11,912.19 and 2,675.72 is: 4,013.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.15 : 11,912.19 = 2,675.72 : x
  2. Step 2: Convert to fraction form
    7,941.15/11,912.19 = 2,675.72/x
  3. Step 3: Cross multiply
    7,941.15x = 11,912.19 × 2,675.72
  4. Step 4: Simplify right side
    7,941.15x = 31,873,685.03
  5. Step 5: Solve for x
    x = 31,873,685.03/7,941.15
  6. Step 6: Final answer
    x = 4,013.74

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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.