Home / 7,682.45-11,522.39-2,136.35

Finding the Fourth Proportional to 7,682.45, 11,522.39 and 2,136.35

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Solution

The fourth proportional to 7,682.45, 11,522.39 and 2,136.35 is: 3,204.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,682.45 : 11,522.39 = 2,136.35 : x
  2. Step 2: Convert to fraction form
    7,682.45/11,522.39 = 2,136.35/x
  3. Step 3: Cross multiply
    7,682.45x = 11,522.39 × 2,136.35
  4. Step 4: Simplify right side
    7,682.45x = 24,615,843.59
  5. Step 5: Solve for x
    x = 24,615,843.59/7,682.45
  6. Step 6: Final answer
    x = 3,204.17

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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.