Home / 4,361.20-6,540.60-1,764.40

Finding the Fourth Proportional to 4,361.20, 6,540.60 and 1,764.40

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Solution

The fourth proportional to 4,361.20, 6,540.60 and 1,764.40 is: 2,646.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,361.20 : 6,540.60 = 1,764.40 : x
  2. Step 2: Convert to fraction form
    4,361.20/6,540.60 = 1,764.40/x
  3. Step 3: Cross multiply
    4,361.20x = 6,540.60 × 1,764.40
  4. Step 4: Simplify right side
    4,361.20x = 11,540,234.64
  5. Step 5: Solve for x
    x = 11,540,234.64/4,361.20
  6. Step 6: Final answer
    x = 2,646.11

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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.