Home / 5,247.88-7,859.68-3,163.29

Finding the Fourth Proportional to 5,247.88, 7,859.68 and 3,163.29

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Solution

The fourth proportional to 5,247.88, 7,859.68 and 3,163.29 is: 4,737.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.88 : 7,859.68 = 3,163.29 : x
  2. Step 2: Convert to fraction form
    5,247.88/7,859.68 = 3,163.29/x
  3. Step 3: Cross multiply
    5,247.88x = 7,859.68 × 3,163.29
  4. Step 4: Simplify right side
    5,247.88x = 24,862,409.77
  5. Step 5: Solve for x
    x = 24,862,409.77/5,247.88
  6. Step 6: Final answer
    x = 4,737.61

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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.