Home / 8,115.01-12,172.32-4,440.58

Finding the Fourth Proportional to 8,115.01, 12,172.32 and 4,440.58

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Solution

The fourth proportional to 8,115.01, 12,172.32 and 4,440.58 is: 6,660.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,115.01 : 12,172.32 = 4,440.58 : x
  2. Step 2: Convert to fraction form
    8,115.01/12,172.32 = 4,440.58/x
  3. Step 3: Cross multiply
    8,115.01x = 12,172.32 × 4,440.58
  4. Step 4: Simplify right side
    8,115.01x = 54,052,160.75
  5. Step 5: Solve for x
    x = 54,052,160.75/8,115.01
  6. Step 6: Final answer
    x = 6,660.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.