Home / 4,086.60-6,125.10-2,137.80

Finding the Fourth Proportional to 4,086.60, 6,125.10 and 2,137.80

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Solution

The fourth proportional to 4,086.60, 6,125.10 and 2,137.80 is: 3,204.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.60 : 6,125.10 = 2,137.80 : x
  2. Step 2: Convert to fraction form
    4,086.60/6,125.10 = 2,137.80/x
  3. Step 3: Cross multiply
    4,086.60x = 6,125.10 × 2,137.80
  4. Step 4: Simplify right side
    4,086.60x = 13,094,238.78
  5. Step 5: Solve for x
    x = 13,094,238.78/4,086.60
  6. Step 6: Final answer
    x = 3,204.19

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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.