Home / 4,200.48-6,301.62-1,279.02

Finding the Fourth Proportional to 4,200.48, 6,301.62 and 1,279.02

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Solution

The fourth proportional to 4,200.48, 6,301.62 and 1,279.02 is: 1,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.48 : 6,301.62 = 1,279.02 : x
  2. Step 2: Convert to fraction form
    4,200.48/6,301.62 = 1,279.02/x
  3. Step 3: Cross multiply
    4,200.48x = 6,301.62 × 1,279.02
  4. Step 4: Simplify right side
    4,200.48x = 8,059,898.01
  5. Step 5: Solve for x
    x = 8,059,898.01/4,200.48
  6. Step 6: Final answer
    x = 1,918.80

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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.