Home / 6,380.83-9,571.26-1,998.63

Finding the Fourth Proportional to 6,380.83, 9,571.26 and 1,998.63

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Solution

The fourth proportional to 6,380.83, 9,571.26 and 1,998.63 is: 2,997.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,380.83 : 9,571.26 = 1,998.63 : x
  2. Step 2: Convert to fraction form
    6,380.83/9,571.26 = 1,998.63/x
  3. Step 3: Cross multiply
    6,380.83x = 9,571.26 × 1,998.63
  4. Step 4: Simplify right side
    6,380.83x = 19,129,424.92
  5. Step 5: Solve for x
    x = 19,129,424.92/6,380.83
  6. Step 6: Final answer
    x = 2,997.95

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Double scale
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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.