Home / 8,129.05-12,195.06-2,583.79

Finding the Fourth Proportional to 8,129.05, 12,195.06 and 2,583.79

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Solution

The fourth proportional to 8,129.05, 12,195.06 and 2,583.79 is: 3,876.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129.05 : 12,195.06 = 2,583.79 : x
  2. Step 2: Convert to fraction form
    8,129.05/12,195.06 = 2,583.79/x
  3. Step 3: Cross multiply
    8,129.05x = 12,195.06 × 2,583.79
  4. Step 4: Simplify right side
    8,129.05x = 31,509,474.08
  5. Step 5: Solve for x
    x = 31,509,474.08/8,129.05
  6. Step 6: Final answer
    x = 3,876.16

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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.