Home / 8,109.52-12,164.75-2,266.11

Finding the Fourth Proportional to 8,109.52, 12,164.75 and 2,266.11

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Solution

The fourth proportional to 8,109.52, 12,164.75 and 2,266.11 is: 3,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109.52 : 12,164.75 = 2,266.11 : x
  2. Step 2: Convert to fraction form
    8,109.52/12,164.75 = 2,266.11/x
  3. Step 3: Cross multiply
    8,109.52x = 12,164.75 × 2,266.11
  4. Step 4: Simplify right side
    8,109.52x = 27,566,658.79
  5. Step 5: Solve for x
    x = 27,566,658.79/8,109.52
  6. Step 6: Final answer
    x = 3,399.30

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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.