Home / 5,321.37-7,983.34-1,623.66

Finding the Fourth Proportional to 5,321.37, 7,983.34 and 1,623.66

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Solution

The fourth proportional to 5,321.37, 7,983.34 and 1,623.66 is: 2,435.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.37 : 7,983.34 = 1,623.66 : x
  2. Step 2: Convert to fraction form
    5,321.37/7,983.34 = 1,623.66/x
  3. Step 3: Cross multiply
    5,321.37x = 7,983.34 × 1,623.66
  4. Step 4: Simplify right side
    5,321.37x = 12,962,229.82
  5. Step 5: Solve for x
    x = 12,962,229.82/5,321.37
  6. Step 6: Final answer
    x = 2,435.88

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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.