Home / 4,136.20-6,206.10-2,084.20

Finding the Fourth Proportional to 4,136.20, 6,206.10 and 2,084.20

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Solution

The fourth proportional to 4,136.20, 6,206.10 and 2,084.20 is: 3,127.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,136.20 : 6,206.10 = 2,084.20 : x
  2. Step 2: Convert to fraction form
    4,136.20/6,206.10 = 2,084.20/x
  3. Step 3: Cross multiply
    4,136.20x = 6,206.10 × 2,084.20
  4. Step 4: Simplify right side
    4,136.20x = 12,934,753.62
  5. Step 5: Solve for x
    x = 12,934,753.62/4,136.20
  6. Step 6: Final answer
    x = 3,127.21

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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.