Home / 8,131.03-12,197.36-2,208

Finding the Fourth Proportional to 8,131.03, 12,197.36 and 2,208

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Solution

The fourth proportional to 8,131.03, 12,197.36 and 2,208 is: 3,312.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.03 : 12,197.36 = 2,208 : x
  2. Step 2: Convert to fraction form
    8,131.03/12,197.36 = 2,208/x
  3. Step 3: Cross multiply
    8,131.03x = 12,197.36 × 2,208
  4. Step 4: Simplify right side
    8,131.03x = 26,931,770.88
  5. Step 5: Solve for x
    x = 26,931,770.88/8,131.03
  6. Step 6: Final answer
    x = 3,312.22

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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.