Home / 5,820.35-8,031.83-3,167.78

Finding the Fourth Proportional to 5,820.35, 8,031.83 and 3,167.78

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Solution

The fourth proportional to 5,820.35, 8,031.83 and 3,167.78 is: 4,371.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.35 : 8,031.83 = 3,167.78 : x
  2. Step 2: Convert to fraction form
    5,820.35/8,031.83 = 3,167.78/x
  3. Step 3: Cross multiply
    5,820.35x = 8,031.83 × 3,167.78
  4. Step 4: Simplify right side
    5,820.35x = 25,443,014.44
  5. Step 5: Solve for x
    x = 25,443,014.44/5,820.35
  6. Step 6: Final answer
    x = 4,371.39

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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.