Home / 5,491.46-8,238.32-1,793.61

Finding the Fourth Proportional to 5,491.46, 8,238.32 and 1,793.61

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Solution

The fourth proportional to 5,491.46, 8,238.32 and 1,793.61 is: 2,690.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.46 : 8,238.32 = 1,793.61 : x
  2. Step 2: Convert to fraction form
    5,491.46/8,238.32 = 1,793.61/x
  3. Step 3: Cross multiply
    5,491.46x = 8,238.32 × 1,793.61
  4. Step 4: Simplify right side
    5,491.46x = 14,776,324.17
  5. Step 5: Solve for x
    x = 14,776,324.17/5,491.46
  6. Step 6: Final answer
    x = 2,690.78

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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.