Home / 7,272.72-10,028.41-4,910.76

Finding the Fourth Proportional to 7,272.72, 10,028.41 and 4,910.76

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Solution

The fourth proportional to 7,272.72, 10,028.41 and 4,910.76 is: 6,771.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.72 : 10,028.41 = 4,910.76 : x
  2. Step 2: Convert to fraction form
    7,272.72/10,028.41 = 4,910.76/x
  3. Step 3: Cross multiply
    7,272.72x = 10,028.41 × 4,910.76
  4. Step 4: Simplify right side
    7,272.72x = 49,247,102.41
  5. Step 5: Solve for x
    x = 49,247,102.41/7,272.72
  6. Step 6: Final answer
    x = 6,771.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.