Home / 8,094.43-12,138.29-2,828.32

Finding the Fourth Proportional to 8,094.43, 12,138.29 and 2,828.32

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Solution

The fourth proportional to 8,094.43, 12,138.29 and 2,828.32 is: 4,241.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,094.43 : 12,138.29 = 2,828.32 : x
  2. Step 2: Convert to fraction form
    8,094.43/12,138.29 = 2,828.32/x
  3. Step 3: Cross multiply
    8,094.43x = 12,138.29 × 2,828.32
  4. Step 4: Simplify right side
    8,094.43x = 34,330,907.68
  5. Step 5: Solve for x
    x = 34,330,907.68/8,094.43
  6. Step 6: Final answer
    x = 4,241.30

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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.