Home / 8,136.53-12,204.79-2,941.19

Finding the Fourth Proportional to 8,136.53, 12,204.79 and 2,941.19

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Solution

The fourth proportional to 8,136.53, 12,204.79 and 2,941.19 is: 4,411.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.53 : 12,204.79 = 2,941.19 : x
  2. Step 2: Convert to fraction form
    8,136.53/12,204.79 = 2,941.19/x
  3. Step 3: Cross multiply
    8,136.53x = 12,204.79 × 2,941.19
  4. Step 4: Simplify right side
    8,136.53x = 35,896,537.92
  5. Step 5: Solve for x
    x = 35,896,537.92/8,136.53
  6. Step 6: Final answer
    x = 4,411.78

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1.5x scale

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.