Home / 8,262.05-12,395.09-3,874.39

Finding the Fourth Proportional to 8,262.05, 12,395.09 and 3,874.39

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Solution

The fourth proportional to 8,262.05, 12,395.09 and 3,874.39 is: 5,812.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262.05 : 12,395.09 = 3,874.39 : x
  2. Step 2: Convert to fraction form
    8,262.05/12,395.09 = 3,874.39/x
  3. Step 3: Cross multiply
    8,262.05x = 12,395.09 × 3,874.39
  4. Step 4: Simplify right side
    8,262.05x = 48,023,391.44
  5. Step 5: Solve for x
    x = 48,023,391.44/8,262.05
  6. Step 6: Final answer
    x = 5,812.53

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1.5x scale

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.