Home / 4,912.26-7,369.20-1,992.57

Finding the Fourth Proportional to 4,912.26, 7,369.20 and 1,992.57

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Solution

The fourth proportional to 4,912.26, 7,369.20 and 1,992.57 is: 2,989.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.26 : 7,369.20 = 1,992.57 : x
  2. Step 2: Convert to fraction form
    4,912.26/7,369.20 = 1,992.57/x
  3. Step 3: Cross multiply
    4,912.26x = 7,369.20 × 1,992.57
  4. Step 4: Simplify right side
    4,912.26x = 14,683,646.84
  5. Step 5: Solve for x
    x = 14,683,646.84/4,912.26
  6. Step 6: Final answer
    x = 2,989.18

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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.