Home / 4,115.57-5,679.50-3,801.62

Finding the Fourth Proportional to 4,115.57, 5,679.50 and 3,801.62

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Solution

The fourth proportional to 4,115.57, 5,679.50 and 3,801.62 is: 5,246.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.57 : 5,679.50 = 3,801.62 : x
  2. Step 2: Convert to fraction form
    4,115.57/5,679.50 = 3,801.62/x
  3. Step 3: Cross multiply
    4,115.57x = 5,679.50 × 3,801.62
  4. Step 4: Simplify right side
    4,115.57x = 21,591,295.98
  5. Step 5: Solve for x
    x = 21,591,295.98/4,115.57
  6. Step 6: Final answer
    x = 5,246.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.