Home / 6,819.02-10,229.85-2,658.86

Finding the Fourth Proportional to 6,819.02, 10,229.85 and 2,658.86

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Solution

The fourth proportional to 6,819.02, 10,229.85 and 2,658.86 is: 3,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.02 : 10,229.85 = 2,658.86 : x
  2. Step 2: Convert to fraction form
    6,819.02/10,229.85 = 2,658.86/x
  3. Step 3: Cross multiply
    6,819.02x = 10,229.85 × 2,658.86
  4. Step 4: Simplify right side
    6,819.02x = 27,199,738.97
  5. Step 5: Solve for x
    x = 27,199,738.97/6,819.02
  6. Step 6: Final answer
    x = 3,988.80

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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.