Home / 7,892.06-11,840.14-2,961.79

Finding the Fourth Proportional to 7,892.06, 11,840.14 and 2,961.79

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Solution

The fourth proportional to 7,892.06, 11,840.14 and 2,961.79 is: 4,443.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892.06 : 11,840.14 = 2,961.79 : x
  2. Step 2: Convert to fraction form
    7,892.06/11,840.14 = 2,961.79/x
  3. Step 3: Cross multiply
    7,892.06x = 11,840.14 × 2,961.79
  4. Step 4: Simplify right side
    7,892.06x = 35,067,982.35
  5. Step 5: Solve for x
    x = 35,067,982.35/7,892.06
  6. Step 6: Final answer
    x = 4,443.45

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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.