Home / 7,273.92-10,911.36-2,660.16

Finding the Fourth Proportional to 7,273.92, 10,911.36 and 2,660.16

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Solution

The fourth proportional to 7,273.92, 10,911.36 and 2,660.16 is: 3,990.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.92 : 10,911.36 = 2,660.16 : x
  2. Step 2: Convert to fraction form
    7,273.92/10,911.36 = 2,660.16/x
  3. Step 3: Cross multiply
    7,273.92x = 10,911.36 × 2,660.16
  4. Step 4: Simplify right side
    7,273.92x = 29,025,963.42
  5. Step 5: Solve for x
    x = 29,025,963.42/7,273.92
  6. Step 6: Final answer
    x = 3,990.42

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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.