Home / 8,822.79-13,236.08-2,979.27

Finding the Fourth Proportional to 8,822.79, 13,236.08 and 2,979.27

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Solution

The fourth proportional to 8,822.79, 13,236.08 and 2,979.27 is: 4,469.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,822.79 : 13,236.08 = 2,979.27 : x
  2. Step 2: Convert to fraction form
    8,822.79/13,236.08 = 2,979.27/x
  3. Step 3: Cross multiply
    8,822.79x = 13,236.08 × 2,979.27
  4. Step 4: Simplify right side
    8,822.79x = 39,433,841.17
  5. Step 5: Solve for x
    x = 39,433,841.17/8,822.79
  6. Step 6: Final answer
    x = 4,469.54

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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.