Home / 8,102.26-12,153.38-2,908.14

Finding the Fourth Proportional to 8,102.26, 12,153.38 and 2,908.14

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Solution

The fourth proportional to 8,102.26, 12,153.38 and 2,908.14 is: 4,362.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,102.26 : 12,153.38 = 2,908.14 : x
  2. Step 2: Convert to fraction form
    8,102.26/12,153.38 = 2,908.14/x
  3. Step 3: Cross multiply
    8,102.26x = 12,153.38 × 2,908.14
  4. Step 4: Simplify right side
    8,102.26x = 35,343,730.51
  5. Step 5: Solve for x
    x = 35,343,730.51/8,102.26
  6. Step 6: Final answer
    x = 4,362.21

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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.