Home / 6,189.12-8,540.88-3,394.56

Finding the Fourth Proportional to 6,189.12, 8,540.88 and 3,394.56

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Solution

The fourth proportional to 6,189.12, 8,540.88 and 3,394.56 is: 4,684.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189.12 : 8,540.88 = 3,394.56 : x
  2. Step 2: Convert to fraction form
    6,189.12/8,540.88 = 3,394.56/x
  3. Step 3: Cross multiply
    6,189.12x = 8,540.88 × 3,394.56
  4. Step 4: Simplify right side
    6,189.12x = 28,992,529.61
  5. Step 5: Solve for x
    x = 28,992,529.61/6,189.12
  6. Step 6: Final answer
    x = 4,684.43

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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.