Home / 8,268.07-12,402.10-2,112.07

Finding the Fourth Proportional to 8,268.07, 12,402.10 and 2,112.07

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Solution

The fourth proportional to 8,268.07, 12,402.10 and 2,112.07 is: 3,168.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.07 : 12,402.10 = 2,112.07 : x
  2. Step 2: Convert to fraction form
    8,268.07/12,402.10 = 2,112.07/x
  3. Step 3: Cross multiply
    8,268.07x = 12,402.10 × 2,112.07
  4. Step 4: Simplify right side
    8,268.07x = 26,194,103.35
  5. Step 5: Solve for x
    x = 26,194,103.35/8,268.07
  6. Step 6: Final answer
    x = 3,168.10

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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.