Home / 7,273.22-10,915.26-2,831.58

Finding the Fourth Proportional to 7,273.22, 10,915.26 and 2,831.58

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Solution

The fourth proportional to 7,273.22, 10,915.26 and 2,831.58 is: 4,249.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.22 : 10,915.26 = 2,831.58 : x
  2. Step 2: Convert to fraction form
    7,273.22/10,915.26 = 2,831.58/x
  3. Step 3: Cross multiply
    7,273.22x = 10,915.26 × 2,831.58
  4. Step 4: Simplify right side
    7,273.22x = 30,907,431.91
  5. Step 5: Solve for x
    x = 30,907,431.91/7,273.22
  6. Step 6: Final answer
    x = 4,249.48

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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.