Home / 5,838.18-8,755.17-2,139.42

Finding the Fourth Proportional to 5,838.18, 8,755.17 and 2,139.42

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Solution

The fourth proportional to 5,838.18, 8,755.17 and 2,139.42 is: 3,208.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,838.18 : 8,755.17 = 2,139.42 : x
  2. Step 2: Convert to fraction form
    5,838.18/8,755.17 = 2,139.42/x
  3. Step 3: Cross multiply
    5,838.18x = 8,755.17 × 2,139.42
  4. Step 4: Simplify right side
    5,838.18x = 18,730,985.80
  5. Step 5: Solve for x
    x = 18,730,985.80/5,838.18
  6. Step 6: Final answer
    x = 3,208.36

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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.