Home / 4,200.47-6,301.65-1,279.01

Finding the Fourth Proportional to 4,200.47, 6,301.65 and 1,279.01

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Solution

The fourth proportional to 4,200.47, 6,301.65 and 1,279.01 is: 1,918.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.47 : 6,301.65 = 1,279.01 : x
  2. Step 2: Convert to fraction form
    4,200.47/6,301.65 = 1,279.01/x
  3. Step 3: Cross multiply
    4,200.47x = 6,301.65 × 1,279.01
  4. Step 4: Simplify right side
    4,200.47x = 8,059,835.46
  5. Step 5: Solve for x
    x = 8,059,835.46/4,200.47
  6. Step 6: Final answer
    x = 1,918.79

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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.