Home / 4,255.34-6,380.98-1,789.70

Finding the Fourth Proportional to 4,255.34, 6,380.98 and 1,789.70

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Solution

The fourth proportional to 4,255.34, 6,380.98 and 1,789.70 is: 2,683.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.34 : 6,380.98 = 1,789.70 : x
  2. Step 2: Convert to fraction form
    4,255.34/6,380.98 = 1,789.70/x
  3. Step 3: Cross multiply
    4,255.34x = 6,380.98 × 1,789.70
  4. Step 4: Simplify right side
    4,255.34x = 11,420,003.53
  5. Step 5: Solve for x
    x = 11,420,003.53/4,255.34
  6. Step 6: Final answer
    x = 2,683.69

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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.