Home / 4,194.42-6,291.65-1,272.75

Finding the Fourth Proportional to 4,194.42, 6,291.65 and 1,272.75

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Solution

The fourth proportional to 4,194.42, 6,291.65 and 1,272.75 is: 1,909.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,194.42 : 6,291.65 = 1,272.75 : x
  2. Step 2: Convert to fraction form
    4,194.42/6,291.65 = 1,272.75/x
  3. Step 3: Cross multiply
    4,194.42x = 6,291.65 × 1,272.75
  4. Step 4: Simplify right side
    4,194.42x = 8,007,697.54
  5. Step 5: Solve for x
    x = 8,007,697.54/4,194.42
  6. Step 6: Final answer
    x = 1,909.13

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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.