Home / 8,076.24-12,115.44-3,633.84

Finding the Fourth Proportional to 8,076.24, 12,115.44 and 3,633.84

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Solution

The fourth proportional to 8,076.24, 12,115.44 and 3,633.84 is: 5,451.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.24 : 12,115.44 = 3,633.84 : x
  2. Step 2: Convert to fraction form
    8,076.24/12,115.44 = 3,633.84/x
  3. Step 3: Cross multiply
    8,076.24x = 12,115.44 × 3,633.84
  4. Step 4: Simplify right side
    8,076.24x = 44,025,570.49
  5. Step 5: Solve for x
    x = 44,025,570.49/8,076.24
  6. Step 6: Final answer
    x = 5,451.25

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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.