Home / 7,261.78-10,892.69-1,996.86

Finding the Fourth Proportional to 7,261.78, 10,892.69 and 1,996.86

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Solution

The fourth proportional to 7,261.78, 10,892.69 and 1,996.86 is: 2,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.78 : 10,892.69 = 1,996.86 : x
  2. Step 2: Convert to fraction form
    7,261.78/10,892.69 = 1,996.86/x
  3. Step 3: Cross multiply
    7,261.78x = 10,892.69 × 1,996.86
  4. Step 4: Simplify right side
    7,261.78x = 21,751,176.95
  5. Step 5: Solve for x
    x = 21,751,176.95/7,261.78
  6. Step 6: Final answer
    x = 2,995.30

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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.