Home / 8,137.21-12,205.81-3,752.27

Finding the Fourth Proportional to 8,137.21, 12,205.81 and 3,752.27

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Solution

The fourth proportional to 8,137.21, 12,205.81 and 3,752.27 is: 5,628.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,137.21 : 12,205.81 = 3,752.27 : x
  2. Step 2: Convert to fraction form
    8,137.21/12,205.81 = 3,752.27/x
  3. Step 3: Cross multiply
    8,137.21x = 12,205.81 × 3,752.27
  4. Step 4: Simplify right side
    8,137.21x = 45,799,563.33
  5. Step 5: Solve for x
    x = 45,799,563.33/8,137.21
  6. Step 6: Final answer
    x = 5,628.41

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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.