Home / 6,136.60-8,468.85-3,620.19

Finding the Fourth Proportional to 6,136.60, 8,468.85 and 3,620.19

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Solution

The fourth proportional to 6,136.60, 8,468.85 and 3,620.19 is: 4,996.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,136.60 : 8,468.85 = 3,620.19 : x
  2. Step 2: Convert to fraction form
    6,136.60/8,468.85 = 3,620.19/x
  3. Step 3: Cross multiply
    6,136.60x = 8,468.85 × 3,620.19
  4. Step 4: Simplify right side
    6,136.60x = 30,658,846.08
  5. Step 5: Solve for x
    x = 30,658,846.08/6,136.60
  6. Step 6: Final answer
    x = 4,996.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.