Home / 7,192.91-10,789.37-4,112.75

Finding the Fourth Proportional to 7,192.91, 10,789.37 and 4,112.75

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Solution

The fourth proportional to 7,192.91, 10,789.37 and 4,112.75 is: 6,169.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.91 : 10,789.37 = 4,112.75 : x
  2. Step 2: Convert to fraction form
    7,192.91/10,789.37 = 4,112.75/x
  3. Step 3: Cross multiply
    7,192.91x = 10,789.37 × 4,112.75
  4. Step 4: Simplify right side
    7,192.91x = 44,373,981.47
  5. Step 5: Solve for x
    x = 44,373,981.47/7,192.91
  6. Step 6: Final answer
    x = 6,169.13

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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.