Home / 8,664.73-12,997.10-2,821.93

Finding the Fourth Proportional to 8,664.73, 12,997.10 and 2,821.93

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Solution

The fourth proportional to 8,664.73, 12,997.10 and 2,821.93 is: 4,232.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.73 : 12,997.10 = 2,821.93 : x
  2. Step 2: Convert to fraction form
    8,664.73/12,997.10 = 2,821.93/x
  3. Step 3: Cross multiply
    8,664.73x = 12,997.10 × 2,821.93
  4. Step 4: Simplify right side
    8,664.73x = 36,676,892.29
  5. Step 5: Solve for x
    x = 36,676,892.29/8,664.73
  6. Step 6: Final answer
    x = 4,232.90

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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.