Home / 7,682.39-11,523.81-2,136.14

Finding the Fourth Proportional to 7,682.39, 11,523.81 and 2,136.14

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Solution

The fourth proportional to 7,682.39, 11,523.81 and 2,136.14 is: 3,204.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,682.39 : 11,523.81 = 2,136.14 : x
  2. Step 2: Convert to fraction form
    7,682.39/11,523.81 = 2,136.14/x
  3. Step 3: Cross multiply
    7,682.39x = 11,523.81 × 2,136.14
  4. Step 4: Simplify right side
    7,682.39x = 24,616,471.49
  5. Step 5: Solve for x
    x = 24,616,471.49/7,682.39
  6. Step 6: Final answer
    x = 3,204.27

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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.