Home / 7,916.18-11,874.24-2,986.92

Finding the Fourth Proportional to 7,916.18, 11,874.24 and 2,986.92

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Solution

The fourth proportional to 7,916.18, 11,874.24 and 2,986.92 is: 4,480.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.18 : 11,874.24 = 2,986.92 : x
  2. Step 2: Convert to fraction form
    7,916.18/11,874.24 = 2,986.92/x
  3. Step 3: Cross multiply
    7,916.18x = 11,874.24 × 2,986.92
  4. Step 4: Simplify right side
    7,916.18x = 35,467,404.94
  5. Step 5: Solve for x
    x = 35,467,404.94/7,916.18
  6. Step 6: Final answer
    x = 4,480.37

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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.