Home / 5,940.68-8,195.45-3,421.87

Finding the Fourth Proportional to 5,940.68, 8,195.45 and 3,421.87

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Solution

The fourth proportional to 5,940.68, 8,195.45 and 3,421.87 is: 4,720.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,940.68 : 8,195.45 = 3,421.87 : x
  2. Step 2: Convert to fraction form
    5,940.68/8,195.45 = 3,421.87/x
  3. Step 3: Cross multiply
    5,940.68x = 8,195.45 × 3,421.87
  4. Step 4: Simplify right side
    5,940.68x = 28,043,726.89
  5. Step 5: Solve for x
    x = 28,043,726.89/5,940.68
  6. Step 6: Final answer
    x = 4,720.63

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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.