Home / 4,452.21-6,682.65-2,145.33

Finding the Fourth Proportional to 4,452.21, 6,682.65 and 2,145.33

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Solution

The fourth proportional to 4,452.21, 6,682.65 and 2,145.33 is: 3,220.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,452.21 : 6,682.65 = 2,145.33 : x
  2. Step 2: Convert to fraction form
    4,452.21/6,682.65 = 2,145.33/x
  3. Step 3: Cross multiply
    4,452.21x = 6,682.65 × 2,145.33
  4. Step 4: Simplify right side
    4,452.21x = 14,336,489.52
  5. Step 5: Solve for x
    x = 14,336,489.52/4,452.21
  6. Step 6: Final answer
    x = 3,220.08

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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.