Home / 5,938.25-8,193.86-3,420.47

Finding the Fourth Proportional to 5,938.25, 8,193.86 and 3,420.47

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Solution

The fourth proportional to 5,938.25, 8,193.86 and 3,420.47 is: 4,719.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938.25 : 8,193.86 = 3,420.47 : x
  2. Step 2: Convert to fraction form
    5,938.25/8,193.86 = 3,420.47/x
  3. Step 3: Cross multiply
    5,938.25x = 8,193.86 × 3,420.47
  4. Step 4: Simplify right side
    5,938.25x = 28,026,794.24
  5. Step 5: Solve for x
    x = 28,026,794.24/5,938.25
  6. Step 6: Final answer
    x = 4,719.71

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1.5x scale

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.