Home / 8,664.18-12,996.14-2,090.31

Finding the Fourth Proportional to 8,664.18, 12,996.14 and 2,090.31

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Solution

The fourth proportional to 8,664.18, 12,996.14 and 2,090.31 is: 3,135.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.18 : 12,996.14 = 2,090.31 : x
  2. Step 2: Convert to fraction form
    8,664.18/12,996.14 = 2,090.31/x
  3. Step 3: Cross multiply
    8,664.18x = 12,996.14 × 2,090.31
  4. Step 4: Simplify right side
    8,664.18x = 27,165,961.40
  5. Step 5: Solve for x
    x = 27,165,961.40/8,664.18
  6. Step 6: Final answer
    x = 3,135.43

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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.