Home / 7,192.80-10,789.92-2,574.72

Finding the Fourth Proportional to 7,192.80, 10,789.92 and 2,574.72

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Solution

The fourth proportional to 7,192.80, 10,789.92 and 2,574.72 is: 3,862.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.80 : 10,789.92 = 2,574.72 : x
  2. Step 2: Convert to fraction form
    7,192.80/10,789.92 = 2,574.72/x
  3. Step 3: Cross multiply
    7,192.80x = 10,789.92 × 2,574.72
  4. Step 4: Simplify right side
    7,192.80x = 27,781,022.82
  5. Step 5: Solve for x
    x = 27,781,022.82/7,192.80
  6. Step 6: Final answer
    x = 3,862.34

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1.5x scale

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.