Home / 4,442.96-6,138-3,321.96

Finding the Fourth Proportional to 4,442.96, 6,138 and 3,321.96

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Solution

The fourth proportional to 4,442.96, 6,138 and 3,321.96 is: 4,589.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442.96 : 6,138 = 3,321.96 : x
  2. Step 2: Convert to fraction form
    4,442.96/6,138 = 3,321.96/x
  3. Step 3: Cross multiply
    4,442.96x = 6,138 × 3,321.96
  4. Step 4: Simplify right side
    4,442.96x = 20,390,190.48
  5. Step 5: Solve for x
    x = 20,390,190.48/4,442.96
  6. Step 6: Final answer
    x = 4,589.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.