Home / 7,173.43-10,760.77-1,979.31

Finding the Fourth Proportional to 7,173.43, 10,760.77 and 1,979.31

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Solution

The fourth proportional to 7,173.43, 10,760.77 and 1,979.31 is: 2,969.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173.43 : 10,760.77 = 1,979.31 : x
  2. Step 2: Convert to fraction form
    7,173.43/10,760.77 = 1,979.31/x
  3. Step 3: Cross multiply
    7,173.43x = 10,760.77 × 1,979.31
  4. Step 4: Simplify right side
    7,173.43x = 21,298,835.97
  5. Step 5: Solve for x
    x = 21,298,835.97/7,173.43
  6. Step 6: Final answer
    x = 2,969.13

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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.