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Finding the Fourth Proportional to 8,181.56, 12,272.39 and 3,497.62

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Solution

The fourth proportional to 8,181.56, 12,272.39 and 3,497.62 is: 5,246.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.56 : 12,272.39 = 3,497.62 : x
  2. Step 2: Convert to fraction form
    8,181.56/12,272.39 = 3,497.62/x
  3. Step 3: Cross multiply
    8,181.56x = 12,272.39 × 3,497.62
  4. Step 4: Simplify right side
    8,181.56x = 42,924,156.71
  5. Step 5: Solve for x
    x = 42,924,156.71/8,181.56
  6. Step 6: Final answer
    x = 5,246.45

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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.