Home / 6,136.87-8,468.48-3,618.86

Finding the Fourth Proportional to 6,136.87, 8,468.48 and 3,618.86

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Solution

The fourth proportional to 6,136.87, 8,468.48 and 3,618.86 is: 4,993.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,136.87 : 8,468.48 = 3,618.86 : x
  2. Step 2: Convert to fraction form
    6,136.87/8,468.48 = 3,618.86/x
  3. Step 3: Cross multiply
    6,136.87x = 8,468.48 × 3,618.86
  4. Step 4: Simplify right side
    6,136.87x = 30,646,243.53
  5. Step 5: Solve for x
    x = 30,646,243.53/6,136.87
  6. Step 6: Final answer
    x = 4,993.79

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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.