Home / 8,071.51-12,107.26-2,228.12

Finding the Fourth Proportional to 8,071.51, 12,107.26 and 2,228.12

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Solution

The fourth proportional to 8,071.51, 12,107.26 and 2,228.12 is: 3,342.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.51 : 12,107.26 = 2,228.12 : x
  2. Step 2: Convert to fraction form
    8,071.51/12,107.26 = 2,228.12/x
  3. Step 3: Cross multiply
    8,071.51x = 12,107.26 × 2,228.12
  4. Step 4: Simplify right side
    8,071.51x = 26,976,428.15
  5. Step 5: Solve for x
    x = 26,976,428.15/8,071.51
  6. Step 6: Final answer
    x = 3,342.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.