Home / 8,136.43-12,204.65-2,941.09

Finding the Fourth Proportional to 8,136.43, 12,204.65 and 2,941.09

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Solution

The fourth proportional to 8,136.43, 12,204.65 and 2,941.09 is: 4,411.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.43 : 12,204.65 = 2,941.09 : x
  2. Step 2: Convert to fraction form
    8,136.43/12,204.65 = 2,941.09/x
  3. Step 3: Cross multiply
    8,136.43x = 12,204.65 × 2,941.09
  4. Step 4: Simplify right side
    8,136.43x = 35,894,997.23
  5. Step 5: Solve for x
    x = 35,894,997.23/8,136.43
  6. Step 6: Final answer
    x = 4,411.64

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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.