Home / 6,112.76-9,170.69-2,828.21

Finding the Fourth Proportional to 6,112.76, 9,170.69 and 2,828.21

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Solution

The fourth proportional to 6,112.76, 9,170.69 and 2,828.21 is: 4,243.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.76 : 9,170.69 = 2,828.21 : x
  2. Step 2: Convert to fraction form
    6,112.76/9,170.69 = 2,828.21/x
  3. Step 3: Cross multiply
    6,112.76x = 9,170.69 × 2,828.21
  4. Step 4: Simplify right side
    6,112.76x = 25,936,577.17
  5. Step 5: Solve for x
    x = 25,936,577.17/6,112.76
  6. Step 6: Final answer
    x = 4,243.03

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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.