Home / 7,136.94-10,706.57-2,205.44

Finding the Fourth Proportional to 7,136.94, 10,706.57 and 2,205.44

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Solution

The fourth proportional to 7,136.94, 10,706.57 and 2,205.44 is: 3,308.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.94 : 10,706.57 = 2,205.44 : x
  2. Step 2: Convert to fraction form
    7,136.94/10,706.57 = 2,205.44/x
  3. Step 3: Cross multiply
    7,136.94x = 10,706.57 × 2,205.44
  4. Step 4: Simplify right side
    7,136.94x = 23,612,697.74
  5. Step 5: Solve for x
    x = 23,612,697.74/7,136.94
  6. Step 6: Final answer
    x = 3,308.52

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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.