Home / 8,664.12-12,997.14-4,766.52

Finding the Fourth Proportional to 8,664.12, 12,997.14 and 4,766.52

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Solution

The fourth proportional to 8,664.12, 12,997.14 and 4,766.52 is: 7,150.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.12 : 12,997.14 = 4,766.52 : x
  2. Step 2: Convert to fraction form
    8,664.12/12,997.14 = 4,766.52/x
  3. Step 3: Cross multiply
    8,664.12x = 12,997.14 × 4,766.52
  4. Step 4: Simplify right side
    8,664.12x = 61,951,127.75
  5. Step 5: Solve for x
    x = 61,951,127.75/8,664.12
  6. Step 6: Final answer
    x = 7,150.31

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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.