Home / 5,489.37-8,223.12-2,558.79

Finding the Fourth Proportional to 5,489.37, 8,223.12 and 2,558.79

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Solution

The fourth proportional to 5,489.37, 8,223.12 and 2,558.79 is: 3,833.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.37 : 8,223.12 = 2,558.79 : x
  2. Step 2: Convert to fraction form
    5,489.37/8,223.12 = 2,558.79/x
  3. Step 3: Cross multiply
    5,489.37x = 8,223.12 × 2,558.79
  4. Step 4: Simplify right side
    5,489.37x = 21,041,237.22
  5. Step 5: Solve for x
    x = 21,041,237.22/5,489.37
  6. Step 6: Final answer
    x = 3,833.09

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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.