Home / 8,189.28-12,286.14-2,346.48

Finding the Fourth Proportional to 8,189.28, 12,286.14 and 2,346.48

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Solution

The fourth proportional to 8,189.28, 12,286.14 and 2,346.48 is: 3,520.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189.28 : 12,286.14 = 2,346.48 : x
  2. Step 2: Convert to fraction form
    8,189.28/12,286.14 = 2,346.48/x
  3. Step 3: Cross multiply
    8,189.28x = 12,286.14 × 2,346.48
  4. Step 4: Simplify right side
    8,189.28x = 28,829,181.79
  5. Step 5: Solve for x
    x = 28,829,181.79/8,189.28
  6. Step 6: Final answer
    x = 3,520.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.