Home / 7,193.92-10,789.36-3,680.16

Finding the Fourth Proportional to 7,193.92, 10,789.36 and 3,680.16

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Solution

The fourth proportional to 7,193.92, 10,789.36 and 3,680.16 is: 5,519.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,193.92 : 10,789.36 = 3,680.16 : x
  2. Step 2: Convert to fraction form
    7,193.92/10,789.36 = 3,680.16/x
  3. Step 3: Cross multiply
    7,193.92x = 10,789.36 × 3,680.16
  4. Step 4: Simplify right side
    7,193.92x = 39,706,571.10
  5. Step 5: Solve for x
    x = 39,706,571.10/7,193.92
  6. Step 6: Final answer
    x = 5,519.46

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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.