Home / 4,219.11-6,327.90-1,296.78

Finding the Fourth Proportional to 4,219.11, 6,327.90 and 1,296.78

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Solution

The fourth proportional to 4,219.11, 6,327.90 and 1,296.78 is: 1,944.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.11 : 6,327.90 = 1,296.78 : x
  2. Step 2: Convert to fraction form
    4,219.11/6,327.90 = 1,296.78/x
  3. Step 3: Cross multiply
    4,219.11x = 6,327.90 × 1,296.78
  4. Step 4: Simplify right side
    4,219.11x = 8,205,894.16
  5. Step 5: Solve for x
    x = 8,205,894.16/4,219.11
  6. Step 6: Final answer
    x = 1,944.93

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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.