Home / 8,663.03-12,984.24-3,979.07

Finding the Fourth Proportional to 8,663.03, 12,984.24 and 3,979.07

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Solution

The fourth proportional to 8,663.03, 12,984.24 and 3,979.07 is: 5,963.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,663.03 : 12,984.24 = 3,979.07 : x
  2. Step 2: Convert to fraction form
    8,663.03/12,984.24 = 3,979.07/x
  3. Step 3: Cross multiply
    8,663.03x = 12,984.24 × 3,979.07
  4. Step 4: Simplify right side
    8,663.03x = 51,665,134.94
  5. Step 5: Solve for x
    x = 51,665,134.94/8,663.03
  6. Step 6: Final answer
    x = 5,963.87

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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.