Home / 5,161.22-7,122.50-3,395.99

Finding the Fourth Proportional to 5,161.22, 7,122.50 and 3,395.99

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Solution

The fourth proportional to 5,161.22, 7,122.50 and 3,395.99 is: 4,686.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.22 : 7,122.50 = 3,395.99 : x
  2. Step 2: Convert to fraction form
    5,161.22/7,122.50 = 3,395.99/x
  3. Step 3: Cross multiply
    5,161.22x = 7,122.50 × 3,395.99
  4. Step 4: Simplify right side
    5,161.22x = 24,187,952.34
  5. Step 5: Solve for x
    x = 24,187,952.34/5,161.22
  6. Step 6: Final answer
    x = 4,686.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.