Home / 4,200.68-6,301.37-1,279.01

Finding the Fourth Proportional to 4,200.68, 6,301.37 and 1,279.01

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Solution

The fourth proportional to 4,200.68, 6,301.37 and 1,279.01 is: 1,918.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.68 : 6,301.37 = 1,279.01 : x
  2. Step 2: Convert to fraction form
    4,200.68/6,301.37 = 1,279.01/x
  3. Step 3: Cross multiply
    4,200.68x = 6,301.37 × 1,279.01
  4. Step 4: Simplify right side
    4,200.68x = 8,059,477.34
  5. Step 5: Solve for x
    x = 8,059,477.34/4,200.68
  6. Step 6: Final answer
    x = 1,918.61

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Double scale
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Similar ratio
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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.