Home / 7,816.52-10,786.80-4,279.73

Finding the Fourth Proportional to 7,816.52, 10,786.80 and 4,279.73

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Solution

The fourth proportional to 7,816.52, 10,786.80 and 4,279.73 is: 5,906.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.52 : 10,786.80 = 4,279.73 : x
  2. Step 2: Convert to fraction form
    7,816.52/10,786.80 = 4,279.73/x
  3. Step 3: Cross multiply
    7,816.52x = 10,786.80 × 4,279.73
  4. Step 4: Simplify right side
    7,816.52x = 46,164,591.56
  5. Step 5: Solve for x
    x = 46,164,591.56/7,816.52
  6. Step 6: Final answer
    x = 5,906.03

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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.