Home / 8,190.45-11,305.17-4,833.81

Finding the Fourth Proportional to 8,190.45, 11,305.17 and 4,833.81

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Solution

The fourth proportional to 8,190.45, 11,305.17 and 4,833.81 is: 6,672.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.45 : 11,305.17 = 4,833.81 : x
  2. Step 2: Convert to fraction form
    8,190.45/11,305.17 = 4,833.81/x
  3. Step 3: Cross multiply
    8,190.45x = 11,305.17 × 4,833.81
  4. Step 4: Simplify right side
    8,190.45x = 54,647,043.80
  5. Step 5: Solve for x
    x = 54,647,043.80/8,190.45
  6. Step 6: Final answer
    x = 6,672.04

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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.