Home / 4,218.30-6,327-1,296.60

Finding the Fourth Proportional to 4,218.30, 6,327 and 1,296.60

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Solution

The fourth proportional to 4,218.30, 6,327 and 1,296.60 is: 1,944.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.30 : 6,327 = 1,296.60 : x
  2. Step 2: Convert to fraction form
    4,218.30/6,327 = 1,296.60/x
  3. Step 3: Cross multiply
    4,218.30x = 6,327 × 1,296.60
  4. Step 4: Simplify right side
    4,218.30x = 8,203,588.20
  5. Step 5: Solve for x
    x = 8,203,588.20/4,218.30
  6. Step 6: Final answer
    x = 1,944.76

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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.