Home / 4,218.46-6,327.68-1,296.72

Finding the Fourth Proportional to 4,218.46, 6,327.68 and 1,296.72

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Solution

The fourth proportional to 4,218.46, 6,327.68 and 1,296.72 is: 1,945.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.46 : 6,327.68 = 1,296.72 : x
  2. Step 2: Convert to fraction form
    4,218.46/6,327.68 = 1,296.72/x
  3. Step 3: Cross multiply
    4,218.46x = 6,327.68 × 1,296.72
  4. Step 4: Simplify right side
    4,218.46x = 8,205,229.21
  5. Step 5: Solve for x
    x = 8,205,229.21/4,218.46
  6. Step 6: Final answer
    x = 1,945.08

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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.