Home / 7,739.95-11,609.97-1,896.58

Finding the Fourth Proportional to 7,739.95, 11,609.97 and 1,896.58

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Solution

The fourth proportional to 7,739.95, 11,609.97 and 1,896.58 is: 2,844.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.95 : 11,609.97 = 1,896.58 : x
  2. Step 2: Convert to fraction form
    7,739.95/11,609.97 = 1,896.58/x
  3. Step 3: Cross multiply
    7,739.95x = 11,609.97 × 1,896.58
  4. Step 4: Simplify right side
    7,739.95x = 22,019,236.90
  5. Step 5: Solve for x
    x = 22,019,236.90/7,739.95
  6. Step 6: Final answer
    x = 2,844.88

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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.