Home / 7,979.33-11,968.08-3,048.86

Finding the Fourth Proportional to 7,979.33, 11,968.08 and 3,048.86

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Solution

The fourth proportional to 7,979.33, 11,968.08 and 3,048.86 is: 4,572.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.33 : 11,968.08 = 3,048.86 : x
  2. Step 2: Convert to fraction form
    7,979.33/11,968.08 = 3,048.86/x
  3. Step 3: Cross multiply
    7,979.33x = 11,968.08 × 3,048.86
  4. Step 4: Simplify right side
    7,979.33x = 36,488,940.55
  5. Step 5: Solve for x
    x = 36,488,940.55/7,979.33
  6. Step 6: Final answer
    x = 4,572.94

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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.