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Finding the Fourth Proportional to 8,008.56, 12,009.18 and 2,459.97

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Solution

The fourth proportional to 8,008.56, 12,009.18 and 2,459.97 is: 3,688.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,008.56 : 12,009.18 = 2,459.97 : x
  2. Step 2: Convert to fraction form
    8,008.56/12,009.18 = 2,459.97/x
  3. Step 3: Cross multiply
    8,008.56x = 12,009.18 × 2,459.97
  4. Step 4: Simplify right side
    8,008.56x = 29,542,222.52
  5. Step 5: Solve for x
    x = 29,542,222.52/8,008.56
  6. Step 6: Final answer
    x = 3,688.83

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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.