Home / 8,137.09-12,205.64-2,941.75

Finding the Fourth Proportional to 8,137.09, 12,205.64 and 2,941.75

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Solution

The fourth proportional to 8,137.09, 12,205.64 and 2,941.75 is: 4,412.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,137.09 : 12,205.64 = 2,941.75 : x
  2. Step 2: Convert to fraction form
    8,137.09/12,205.64 = 2,941.75/x
  3. Step 3: Cross multiply
    8,137.09x = 12,205.64 × 2,941.75
  4. Step 4: Simplify right side
    8,137.09x = 35,905,896.25
  5. Step 5: Solve for x
    x = 35,905,896.25/8,137.09
  6. Step 6: Final answer
    x = 4,412.62

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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.