Home / 6,881.17-10,321.64-2,201.16

Finding the Fourth Proportional to 6,881.17, 10,321.64 and 2,201.16

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Solution

The fourth proportional to 6,881.17, 10,321.64 and 2,201.16 is: 3,301.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,881.17 : 10,321.64 = 2,201.16 : x
  2. Step 2: Convert to fraction form
    6,881.17/10,321.64 = 2,201.16/x
  3. Step 3: Cross multiply
    6,881.17x = 10,321.64 × 2,201.16
  4. Step 4: Simplify right side
    6,881.17x = 22,719,581.10
  5. Step 5: Solve for x
    x = 22,719,581.10/6,881.17
  6. Step 6: Final answer
    x = 3,301.70

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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.