Home / 8,163.36-12,245.58-2,540.25

Finding the Fourth Proportional to 8,163.36, 12,245.58 and 2,540.25

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Solution

The fourth proportional to 8,163.36, 12,245.58 and 2,540.25 is: 3,810.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.36 : 12,245.58 = 2,540.25 : x
  2. Step 2: Convert to fraction form
    8,163.36/12,245.58 = 2,540.25/x
  3. Step 3: Cross multiply
    8,163.36x = 12,245.58 × 2,540.25
  4. Step 4: Simplify right side
    8,163.36x = 31,106,834.60
  5. Step 5: Solve for x
    x = 31,106,834.60/8,163.36
  6. Step 6: Final answer
    x = 3,810.54

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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.