Home / 4,362.68-6,540.60-2,720

Finding the Fourth Proportional to 4,362.68, 6,540.60 and 2,720

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Solution

The fourth proportional to 4,362.68, 6,540.60 and 2,720 is: 4,077.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,362.68 : 6,540.60 = 2,720 : x
  2. Step 2: Convert to fraction form
    4,362.68/6,540.60 = 2,720/x
  3. Step 3: Cross multiply
    4,362.68x = 6,540.60 × 2,720
  4. Step 4: Simplify right side
    4,362.68x = 17,790,432
  5. Step 5: Solve for x
    x = 17,790,432/4,362.68
  6. Step 6: Final answer
    x = 4,077.87

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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.