Home / 4,227.60-6,342.24-2,145.96

Finding the Fourth Proportional to 4,227.60, 6,342.24 and 2,145.96

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Solution

The fourth proportional to 4,227.60, 6,342.24 and 2,145.96 is: 3,219.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,227.60 : 6,342.24 = 2,145.96 : x
  2. Step 2: Convert to fraction form
    4,227.60/6,342.24 = 2,145.96/x
  3. Step 3: Cross multiply
    4,227.60x = 6,342.24 × 2,145.96
  4. Step 4: Simplify right side
    4,227.60x = 13,610,193.35
  5. Step 5: Solve for x
    x = 13,610,193.35/4,227.60
  6. Step 6: Final answer
    x = 3,219.37

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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.