Home / 4,188.15-6,284.97-1,591.11

Finding the Fourth Proportional to 4,188.15, 6,284.97 and 1,591.11

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Solution

The fourth proportional to 4,188.15, 6,284.97 and 1,591.11 is: 2,387.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.15 : 6,284.97 = 1,591.11 : x
  2. Step 2: Convert to fraction form
    4,188.15/6,284.97 = 1,591.11/x
  3. Step 3: Cross multiply
    4,188.15x = 6,284.97 × 1,591.11
  4. Step 4: Simplify right side
    4,188.15x = 10,000,078.62
  5. Step 5: Solve for x
    x = 10,000,078.62/4,188.15
  6. Step 6: Final answer
    x = 2,387.71

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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.