Home / 6,284.46-9,418.60-3,322.78

Finding the Fourth Proportional to 6,284.46, 9,418.60 and 3,322.78

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Solution

The fourth proportional to 6,284.46, 9,418.60 and 3,322.78 is: 4,979.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,284.46 : 9,418.60 = 3,322.78 : x
  2. Step 2: Convert to fraction form
    6,284.46/9,418.60 = 3,322.78/x
  3. Step 3: Cross multiply
    6,284.46x = 9,418.60 × 3,322.78
  4. Step 4: Simplify right side
    6,284.46x = 31,295,935.71
  5. Step 5: Solve for x
    x = 31,295,935.71/6,284.46
  6. Step 6: Final answer
    x = 4,979.89

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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.