Home / 7,738.94-11,608.56-1,895.60

Finding the Fourth Proportional to 7,738.94, 11,608.56 and 1,895.60

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Solution

The fourth proportional to 7,738.94, 11,608.56 and 1,895.60 is: 2,843.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.94 : 11,608.56 = 1,895.60 : x
  2. Step 2: Convert to fraction form
    7,738.94/11,608.56 = 1,895.60/x
  3. Step 3: Cross multiply
    7,738.94x = 11,608.56 × 1,895.60
  4. Step 4: Simplify right side
    7,738.94x = 22,005,186.34
  5. Step 5: Solve for x
    x = 22,005,186.34/7,738.94
  6. Step 6: Final answer
    x = 2,843.44

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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.