Home / 4,142.11-6,208.20-2,387.92

Finding the Fourth Proportional to 4,142.11, 6,208.20 and 2,387.92

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Solution

The fourth proportional to 4,142.11, 6,208.20 and 2,387.92 is: 3,579.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.11 : 6,208.20 = 2,387.92 : x
  2. Step 2: Convert to fraction form
    4,142.11/6,208.20 = 2,387.92/x
  3. Step 3: Cross multiply
    4,142.11x = 6,208.20 × 2,387.92
  4. Step 4: Simplify right side
    4,142.11x = 14,824,684.94
  5. Step 5: Solve for x
    x = 14,824,684.94/4,142.11
  6. Step 6: Final answer
    x = 3,579.02

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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.