Home / 8,489.28-12,731.58-6,016.80

Finding the Fourth Proportional to 8,489.28, 12,731.58 and 6,016.80

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Solution

The fourth proportional to 8,489.28, 12,731.58 and 6,016.80 is: 9,023.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,489.28 : 12,731.58 = 6,016.80 : x
  2. Step 2: Convert to fraction form
    8,489.28/12,731.58 = 6,016.80/x
  3. Step 3: Cross multiply
    8,489.28x = 12,731.58 × 6,016.80
  4. Step 4: Simplify right side
    8,489.28x = 76,603,370.54
  5. Step 5: Solve for x
    x = 76,603,370.54/8,489.28
  6. Step 6: Final answer
    x = 9,023.54

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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.