Home / 4,218.64-6,327.96-1,296.98

Finding the Fourth Proportional to 4,218.64, 6,327.96 and 1,296.98

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Solution

The fourth proportional to 4,218.64, 6,327.96 and 1,296.98 is: 1,945.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.64 : 6,327.96 = 1,296.98 : x
  2. Step 2: Convert to fraction form
    4,218.64/6,327.96 = 1,296.98/x
  3. Step 3: Cross multiply
    4,218.64x = 6,327.96 × 1,296.98
  4. Step 4: Simplify right side
    4,218.64x = 8,207,237.56
  5. Step 5: Solve for x
    x = 8,207,237.56/4,218.64
  6. Step 6: Final answer
    x = 1,945.47

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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.