Home / 5,820.24-8,730.40-2,122.58

Finding the Fourth Proportional to 5,820.24, 8,730.40 and 2,122.58

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Solution

The fourth proportional to 5,820.24, 8,730.40 and 2,122.58 is: 3,183.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.24 : 8,730.40 = 2,122.58 : x
  2. Step 2: Convert to fraction form
    5,820.24/8,730.40 = 2,122.58/x
  3. Step 3: Cross multiply
    5,820.24x = 8,730.40 × 2,122.58
  4. Step 4: Simplify right side
    5,820.24x = 18,530,972.43
  5. Step 5: Solve for x
    x = 18,530,972.43/5,820.24
  6. Step 6: Final answer
    x = 3,183.88

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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.