Home / 7,906.22-10,910.45-4,321.10

Finding the Fourth Proportional to 7,906.22, 10,910.45 and 4,321.10

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Solution

The fourth proportional to 7,906.22, 10,910.45 and 4,321.10 is: 5,963.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,906.22 : 10,910.45 = 4,321.10 : x
  2. Step 2: Convert to fraction form
    7,906.22/10,910.45 = 4,321.10/x
  3. Step 3: Cross multiply
    7,906.22x = 10,910.45 × 4,321.10
  4. Step 4: Simplify right side
    7,906.22x = 47,145,090.94
  5. Step 5: Solve for x
    x = 47,145,090.94/7,906.22
  6. Step 6: Final answer
    x = 5,963.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.