Home / 4,738.32-7,108.38-2,141.25

Finding the Fourth Proportional to 4,738.32, 7,108.38 and 2,141.25

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Solution

The fourth proportional to 4,738.32, 7,108.38 and 2,141.25 is: 3,212.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.32 : 7,108.38 = 2,141.25 : x
  2. Step 2: Convert to fraction form
    4,738.32/7,108.38 = 2,141.25/x
  3. Step 3: Cross multiply
    4,738.32x = 7,108.38 × 2,141.25
  4. Step 4: Simplify right side
    4,738.32x = 15,220,818.68
  5. Step 5: Solve for x
    x = 15,220,818.68/4,738.32
  6. Step 6: Final answer
    x = 3,212.28

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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.