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Finding the Fourth Proportional to 8,489.22, 12,731.58 and 6,016.74

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Solution

The fourth proportional to 8,489.22, 12,731.58 and 6,016.74 is: 9,023.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,489.22 : 12,731.58 = 6,016.74 : x
  2. Step 2: Convert to fraction form
    8,489.22/12,731.58 = 6,016.74/x
  3. Step 3: Cross multiply
    8,489.22x = 12,731.58 × 6,016.74
  4. Step 4: Simplify right side
    8,489.22x = 76,602,606.65
  5. Step 5: Solve for x
    x = 76,602,606.65/8,489.22
  6. Step 6: Final answer
    x = 9,023.52

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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.