Home / 7,940.92-11,911.69-2,395.06

Finding the Fourth Proportional to 7,940.92, 11,911.69 and 2,395.06

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Solution

The fourth proportional to 7,940.92, 11,911.69 and 2,395.06 is: 3,592.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.92 : 11,911.69 = 2,395.06 : x
  2. Step 2: Convert to fraction form
    7,940.92/11,911.69 = 2,395.06/x
  3. Step 3: Cross multiply
    7,940.92x = 11,911.69 × 2,395.06
  4. Step 4: Simplify right side
    7,940.92x = 28,529,212.25
  5. Step 5: Solve for x
    x = 28,529,212.25/7,940.92
  6. Step 6: Final answer
    x = 3,592.68

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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.