Home / 4,194.28-6,291.55-1,272.61

Finding the Fourth Proportional to 4,194.28, 6,291.55 and 1,272.61

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Solution

The fourth proportional to 4,194.28, 6,291.55 and 1,272.61 is: 1,908.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,194.28 : 6,291.55 = 1,272.61 : x
  2. Step 2: Convert to fraction form
    4,194.28/6,291.55 = 1,272.61/x
  3. Step 3: Cross multiply
    4,194.28x = 6,291.55 × 1,272.61
  4. Step 4: Simplify right side
    4,194.28x = 8,006,657.99
  5. Step 5: Solve for x
    x = 8,006,657.99/4,194.28
  6. Step 6: Final answer
    x = 1,908.95

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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.