Home / 7,143.54-10,717.83-3,194.43

Finding the Fourth Proportional to 7,143.54, 10,717.83 and 3,194.43

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Solution

The fourth proportional to 7,143.54, 10,717.83 and 3,194.43 is: 4,792.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,143.54 : 10,717.83 = 3,194.43 : x
  2. Step 2: Convert to fraction form
    7,143.54/10,717.83 = 3,194.43/x
  3. Step 3: Cross multiply
    7,143.54x = 10,717.83 × 3,194.43
  4. Step 4: Simplify right side
    7,143.54x = 34,237,357.69
  5. Step 5: Solve for x
    x = 34,237,357.69/7,143.54
  6. Step 6: Final answer
    x = 4,792.77

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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.