Home / 6,279.36-8,665.79-3,760.99

Finding the Fourth Proportional to 6,279.36, 8,665.79 and 3,760.99

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Solution

The fourth proportional to 6,279.36, 8,665.79 and 3,760.99 is: 5,190.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.36 : 8,665.79 = 3,760.99 : x
  2. Step 2: Convert to fraction form
    6,279.36/8,665.79 = 3,760.99/x
  3. Step 3: Cross multiply
    6,279.36x = 8,665.79 × 3,760.99
  4. Step 4: Simplify right side
    6,279.36x = 32,591,941.56
  5. Step 5: Solve for x
    x = 32,591,941.56/6,279.36
  6. Step 6: Final answer
    x = 5,190.33

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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.