Home / 4,201.57-6,303.26-1,279.80

Finding the Fourth Proportional to 4,201.57, 6,303.26 and 1,279.80

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Solution

The fourth proportional to 4,201.57, 6,303.26 and 1,279.80 is: 1,919.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,201.57 : 6,303.26 = 1,279.80 : x
  2. Step 2: Convert to fraction form
    4,201.57/6,303.26 = 1,279.80/x
  3. Step 3: Cross multiply
    4,201.57x = 6,303.26 × 1,279.80
  4. Step 4: Simplify right side
    4,201.57x = 8,066,883.83
  5. Step 5: Solve for x
    x = 8,066,883.83/4,201.57
  6. Step 6: Final answer
    x = 1,919.97

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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.