Home / 7,636.82-11,455.22-2,090.21

Finding the Fourth Proportional to 7,636.82, 11,455.22 and 2,090.21

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Solution

The fourth proportional to 7,636.82, 11,455.22 and 2,090.21 is: 3,135.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,636.82 : 11,455.22 = 2,090.21 : x
  2. Step 2: Convert to fraction form
    7,636.82/11,455.22 = 2,090.21/x
  3. Step 3: Cross multiply
    7,636.82x = 11,455.22 × 2,090.21
  4. Step 4: Simplify right side
    7,636.82x = 23,943,747.67
  5. Step 5: Solve for x
    x = 23,943,747.67/7,636.82
  6. Step 6: Final answer
    x = 3,135.31

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Similar ratio
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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.