Home / 4,659.39-6,989.07-1,372.41

Finding the Fourth Proportional to 4,659.39, 6,989.07 and 1,372.41

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Solution

The fourth proportional to 4,659.39, 6,989.07 and 1,372.41 is: 2,058.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,659.39 : 6,989.07 = 1,372.41 : x
  2. Step 2: Convert to fraction form
    4,659.39/6,989.07 = 1,372.41/x
  3. Step 3: Cross multiply
    4,659.39x = 6,989.07 × 1,372.41
  4. Step 4: Simplify right side
    4,659.39x = 9,591,869.56
  5. Step 5: Solve for x
    x = 9,591,869.56/4,659.39
  6. Step 6: Final answer
    x = 2,058.61

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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.