Home / 4,202.13-6,303.88-1,279.75

Finding the Fourth Proportional to 4,202.13, 6,303.88 and 1,279.75

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Solution

The fourth proportional to 4,202.13, 6,303.88 and 1,279.75 is: 1,919.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,202.13 : 6,303.88 = 1,279.75 : x
  2. Step 2: Convert to fraction form
    4,202.13/6,303.88 = 1,279.75/x
  3. Step 3: Cross multiply
    4,202.13x = 6,303.88 × 1,279.75
  4. Step 4: Simplify right side
    4,202.13x = 8,067,390.43
  5. Step 5: Solve for x
    x = 8,067,390.43/4,202.13
  6. Step 6: Final answer
    x = 1,919.83

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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.