Home / 8,090.20-11,161.87-4,902.48

Finding the Fourth Proportional to 8,090.20, 11,161.87 and 4,902.48

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Solution

The fourth proportional to 8,090.20, 11,161.87 and 4,902.48 is: 6,763.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.20 : 11,161.87 = 4,902.48 : x
  2. Step 2: Convert to fraction form
    8,090.20/11,161.87 = 4,902.48/x
  3. Step 3: Cross multiply
    8,090.20x = 11,161.87 × 4,902.48
  4. Step 4: Simplify right side
    8,090.20x = 54,720,844.44
  5. Step 5: Solve for x
    x = 54,720,844.44/8,090.20
  6. Step 6: Final answer
    x = 6,763.84

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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.