Home / 8,136.85-12,207.05-3,460.85

Finding the Fourth Proportional to 8,136.85, 12,207.05 and 3,460.85

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Solution

The fourth proportional to 8,136.85, 12,207.05 and 3,460.85 is: 5,192.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.85 : 12,207.05 = 3,460.85 : x
  2. Step 2: Convert to fraction form
    8,136.85/12,207.05 = 3,460.85/x
  3. Step 3: Cross multiply
    8,136.85x = 12,207.05 × 3,460.85
  4. Step 4: Simplify right side
    8,136.85x = 42,246,768.99
  5. Step 5: Solve for x
    x = 42,246,768.99/8,136.85
  6. Step 6: Final answer
    x = 5,192.03

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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.