Home / 8,136.84-12,205.62-2,941.32

Finding the Fourth Proportional to 8,136.84, 12,205.62 and 2,941.32

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Solution

The fourth proportional to 8,136.84, 12,205.62 and 2,941.32 is: 4,412.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.84 : 12,205.62 = 2,941.32 : x
  2. Step 2: Convert to fraction form
    8,136.84/12,205.62 = 2,941.32/x
  3. Step 3: Cross multiply
    8,136.84x = 12,205.62 × 2,941.32
  4. Step 4: Simplify right side
    8,136.84x = 35,900,634.22
  5. Step 5: Solve for x
    x = 35,900,634.22/8,136.84
  6. Step 6: Final answer
    x = 4,412.11

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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.