Home / 6,881.22-10,321.97-2,720.25

Finding the Fourth Proportional to 6,881.22, 10,321.97 and 2,720.25

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Solution

The fourth proportional to 6,881.22, 10,321.97 and 2,720.25 is: 4,080.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,881.22 : 10,321.97 = 2,720.25 : x
  2. Step 2: Convert to fraction form
    6,881.22/10,321.97 = 2,720.25/x
  3. Step 3: Cross multiply
    6,881.22x = 10,321.97 × 2,720.25
  4. Step 4: Simplify right side
    6,881.22x = 28,078,325.29
  5. Step 5: Solve for x
    x = 28,078,325.29/6,881.22
  6. Step 6: Final answer
    x = 4,080.43

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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.