Home / 4,201.16-6,301.73-1,279.49

Finding the Fourth Proportional to 4,201.16, 6,301.73 and 1,279.49

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Solution

The fourth proportional to 4,201.16, 6,301.73 and 1,279.49 is: 1,919.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,201.16 : 6,301.73 = 1,279.49 : x
  2. Step 2: Convert to fraction form
    4,201.16/6,301.73 = 1,279.49/x
  3. Step 3: Cross multiply
    4,201.16x = 6,301.73 × 1,279.49
  4. Step 4: Simplify right side
    4,201.16x = 8,062,972.21
  5. Step 5: Solve for x
    x = 8,062,972.21/4,201.16
  6. Step 6: Final answer
    x = 1,919.23

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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.