Home / 4,738.75-7,108.71-2,106.25

Finding the Fourth Proportional to 4,738.75, 7,108.71 and 2,106.25

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Solution

The fourth proportional to 4,738.75, 7,108.71 and 2,106.25 is: 3,159.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.75 : 7,108.71 = 2,106.25 : x
  2. Step 2: Convert to fraction form
    4,738.75/7,108.71 = 2,106.25/x
  3. Step 3: Cross multiply
    4,738.75x = 7,108.71 × 2,106.25
  4. Step 4: Simplify right side
    4,738.75x = 14,972,720.44
  5. Step 5: Solve for x
    x = 14,972,720.44/4,738.75
  6. Step 6: Final answer
    x = 3,159.64

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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.