Home / 4,442.41-6,661.30-1,322

Finding the Fourth Proportional to 4,442.41, 6,661.30 and 1,322

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Solution

The fourth proportional to 4,442.41, 6,661.30 and 1,322 is: 1,982.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442.41 : 6,661.30 = 1,322 : x
  2. Step 2: Convert to fraction form
    4,442.41/6,661.30 = 1,322/x
  3. Step 3: Cross multiply
    4,442.41x = 6,661.30 × 1,322
  4. Step 4: Simplify right side
    4,442.41x = 8,806,238.60
  5. Step 5: Solve for x
    x = 8,806,238.60/4,442.41
  6. Step 6: Final answer
    x = 1,982.31

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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.