Home / 4,218.48-6,327.60-1,296.72

Finding the Fourth Proportional to 4,218.48, 6,327.60 and 1,296.72

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Solution

The fourth proportional to 4,218.48, 6,327.60 and 1,296.72 is: 1,945.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.48 : 6,327.60 = 1,296.72 : x
  2. Step 2: Convert to fraction form
    4,218.48/6,327.60 = 1,296.72/x
  3. Step 3: Cross multiply
    4,218.48x = 6,327.60 × 1,296.72
  4. Step 4: Simplify right side
    4,218.48x = 8,205,125.47
  5. Step 5: Solve for x
    x = 8,205,125.47/4,218.48
  6. Step 6: Final answer
    x = 1,945.04

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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.