Home / 4,201.60-6,308.80-3,228.80

Finding the Fourth Proportional to 4,201.60, 6,308.80 and 3,228.80

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Solution

The fourth proportional to 4,201.60, 6,308.80 and 3,228.80 is: 4,848.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,201.60 : 6,308.80 = 3,228.80 : x
  2. Step 2: Convert to fraction form
    4,201.60/6,308.80 = 3,228.80/x
  3. Step 3: Cross multiply
    4,201.60x = 6,308.80 × 3,228.80
  4. Step 4: Simplify right side
    4,201.60x = 20,369,853.44
  5. Step 5: Solve for x
    x = 20,369,853.44/4,201.60
  6. Step 6: Final answer
    x = 4,848.12

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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.