Home / 8,149.08-12,201.73-4,245.28

Finding the Fourth Proportional to 8,149.08, 12,201.73 and 4,245.28

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Solution

The fourth proportional to 8,149.08, 12,201.73 and 4,245.28 is: 6,356.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.08 : 12,201.73 = 4,245.28 : x
  2. Step 2: Convert to fraction form
    8,149.08/12,201.73 = 4,245.28/x
  3. Step 3: Cross multiply
    8,149.08x = 12,201.73 × 4,245.28
  4. Step 4: Simplify right side
    8,149.08x = 51,799,760.33
  5. Step 5: Solve for x
    x = 51,799,760.33/8,149.08
  6. Step 6: Final answer
    x = 6,356.52

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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.