Home / 8,132.72-12,201.04-2,866.96

Finding the Fourth Proportional to 8,132.72, 12,201.04 and 2,866.96

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Solution

The fourth proportional to 8,132.72, 12,201.04 and 2,866.96 is: 4,301.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.72 : 12,201.04 = 2,866.96 : x
  2. Step 2: Convert to fraction form
    8,132.72/12,201.04 = 2,866.96/x
  3. Step 3: Cross multiply
    8,132.72x = 12,201.04 × 2,866.96
  4. Step 4: Simplify right side
    8,132.72x = 34,979,893.64
  5. Step 5: Solve for x
    x = 34,979,893.64/8,132.72
  6. Step 6: Final answer
    x = 4,301.13

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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.