Home / 7,816.62-11,724.32-3,136.44

Finding the Fourth Proportional to 7,816.62, 11,724.32 and 3,136.44

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Solution

The fourth proportional to 7,816.62, 11,724.32 and 3,136.44 is: 4,704.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.62 : 11,724.32 = 3,136.44 : x
  2. Step 2: Convert to fraction form
    7,816.62/11,724.32 = 3,136.44/x
  3. Step 3: Cross multiply
    7,816.62x = 11,724.32 × 3,136.44
  4. Step 4: Simplify right side
    7,816.62x = 36,772,626.22
  5. Step 5: Solve for x
    x = 36,772,626.22/7,816.62
  6. Step 6: Final answer
    x = 4,704.42

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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.