Home / 6,189.92-8,541.68-3,394.88

Finding the Fourth Proportional to 6,189.92, 8,541.68 and 3,394.88

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Solution

The fourth proportional to 6,189.92, 8,541.68 and 3,394.88 is: 4,684.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189.92 : 8,541.68 = 3,394.88 : x
  2. Step 2: Convert to fraction form
    6,189.92/8,541.68 = 3,394.88/x
  3. Step 3: Cross multiply
    6,189.92x = 8,541.68 × 3,394.88
  4. Step 4: Simplify right side
    6,189.92x = 28,997,978.60
  5. Step 5: Solve for x
    x = 28,997,978.60/6,189.92
  6. Step 6: Final answer
    x = 4,684.71

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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.