Home / 4,200.57-6,301.79-1,279.10

Finding the Fourth Proportional to 4,200.57, 6,301.79 and 1,279.10

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Solution

The fourth proportional to 4,200.57, 6,301.79 and 1,279.10 is: 1,918.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.57 : 6,301.79 = 1,279.10 : x
  2. Step 2: Convert to fraction form
    4,200.57/6,301.79 = 1,279.10/x
  3. Step 3: Cross multiply
    4,200.57x = 6,301.79 × 1,279.10
  4. Step 4: Simplify right side
    4,200.57x = 8,060,581.68
  5. Step 5: Solve for x
    x = 8,060,581.68/4,200.57
  6. Step 6: Final answer
    x = 1,918.93

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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.