Home / 7,937.28-11,906.71-2,940.99

Finding the Fourth Proportional to 7,937.28, 11,906.71 and 2,940.99

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Solution

The fourth proportional to 7,937.28, 11,906.71 and 2,940.99 is: 4,411.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,937.28 : 11,906.71 = 2,940.99 : x
  2. Step 2: Convert to fraction form
    7,937.28/11,906.71 = 2,940.99/x
  3. Step 3: Cross multiply
    7,937.28x = 11,906.71 × 2,940.99
  4. Step 4: Simplify right side
    7,937.28x = 35,017,515.04
  5. Step 5: Solve for x
    x = 35,017,515.04/7,937.28
  6. Step 6: Final answer
    x = 4,411.78

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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.