Home / 4,194.20-6,292.20-1,272.80

Finding the Fourth Proportional to 4,194.20, 6,292.20 and 1,272.80

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Solution

The fourth proportional to 4,194.20, 6,292.20 and 1,272.80 is: 1,909.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,194.20 : 6,292.20 = 1,272.80 : x
  2. Step 2: Convert to fraction form
    4,194.20/6,292.20 = 1,272.80/x
  3. Step 3: Cross multiply
    4,194.20x = 6,292.20 × 1,272.80
  4. Step 4: Simplify right side
    4,194.20x = 8,008,712.16
  5. Step 5: Solve for x
    x = 8,008,712.16/4,194.20
  6. Step 6: Final answer
    x = 1,909.47

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1.5x scale

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.