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Finding the Fourth Proportional to 8,090.98, 11,175.86 and 6,190.98

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Solution

The fourth proportional to 8,090.98, 11,175.86 and 6,190.98 is: 8,551.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.98 : 11,175.86 = 6,190.98 : x
  2. Step 2: Convert to fraction form
    8,090.98/11,175.86 = 6,190.98/x
  3. Step 3: Cross multiply
    8,090.98x = 11,175.86 × 6,190.98
  4. Step 4: Simplify right side
    8,090.98x = 69,189,525.74
  5. Step 5: Solve for x
    x = 69,189,525.74/8,090.98
  6. Step 6: Final answer
    x = 8,551.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.