Home / 4,217.22-6,321.60-1,442.00

Finding the Fourth Proportional to 4,217.22, 6,321.60 and 1,442.00

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Solution

The fourth proportional to 4,217.22, 6,321.60 and 1,442.00 is: 2,161.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217.22 : 6,321.60 = 1,442.00 : x
  2. Step 2: Convert to fraction form
    4,217.22/6,321.60 = 1,442.00/x
  3. Step 3: Cross multiply
    4,217.22x = 6,321.60 × 1,442.00
  4. Step 4: Simplify right side
    4,217.22x = 9,115,732.44
  5. Step 5: Solve for x
    x = 9,115,732.44/4,217.22
  6. Step 6: Final answer
    x = 2,161.55

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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.