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Finding the Fourth Proportional to 7,979.08, 11,009.22 and 5,183.08

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Solution

The fourth proportional to 7,979.08, 11,009.22 and 5,183.08 is: 7,151.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.08 : 11,009.22 = 5,183.08 : x
  2. Step 2: Convert to fraction form
    7,979.08/11,009.22 = 5,183.08/x
  3. Step 3: Cross multiply
    7,979.08x = 11,009.22 × 5,183.08
  4. Step 4: Simplify right side
    7,979.08x = 57,061,668.00
  5. Step 5: Solve for x
    x = 57,061,668.00/7,979.08
  6. Step 6: Final answer
    x = 7,151.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.