Home / 8,111.44-12,165.30-2,268.64

Finding the Fourth Proportional to 8,111.44, 12,165.30 and 2,268.64

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Solution

The fourth proportional to 8,111.44, 12,165.30 and 2,268.64 is: 3,402.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111.44 : 12,165.30 = 2,268.64 : x
  2. Step 2: Convert to fraction form
    8,111.44/12,165.30 = 2,268.64/x
  3. Step 3: Cross multiply
    8,111.44x = 12,165.30 × 2,268.64
  4. Step 4: Simplify right side
    8,111.44x = 27,598,686.19
  5. Step 5: Solve for x
    x = 27,598,686.19/8,111.44
  6. Step 6: Final answer
    x = 3,402.44

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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.