Home / 4,200.82-6,301.23-1,279.15

Finding the Fourth Proportional to 4,200.82, 6,301.23 and 1,279.15

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Solution

The fourth proportional to 4,200.82, 6,301.23 and 1,279.15 is: 1,918.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.82 : 6,301.23 = 1,279.15 : x
  2. Step 2: Convert to fraction form
    4,200.82/6,301.23 = 1,279.15/x
  3. Step 3: Cross multiply
    4,200.82x = 6,301.23 × 1,279.15
  4. Step 4: Simplify right side
    4,200.82x = 8,060,202.60
  5. Step 5: Solve for x
    x = 8,060,202.60/4,200.82
  6. Step 6: Final answer
    x = 1,918.72

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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.