Home / 4,163.73-6,245.64-1,390.56

Finding the Fourth Proportional to 4,163.73, 6,245.64 and 1,390.56

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Solution

The fourth proportional to 4,163.73, 6,245.64 and 1,390.56 is: 2,085.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,163.73 : 6,245.64 = 1,390.56 : x
  2. Step 2: Convert to fraction form
    4,163.73/6,245.64 = 1,390.56/x
  3. Step 3: Cross multiply
    4,163.73x = 6,245.64 × 1,390.56
  4. Step 4: Simplify right side
    4,163.73x = 8,684,937.16
  5. Step 5: Solve for x
    x = 8,684,937.16/4,163.73
  6. Step 6: Final answer
    x = 2,085.86

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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.