Home / 7,738.95-11,608.47-1,895.58

Finding the Fourth Proportional to 7,738.95, 11,608.47 and 1,895.58

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Solution

The fourth proportional to 7,738.95, 11,608.47 and 1,895.58 is: 2,843.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.95 : 11,608.47 = 1,895.58 : x
  2. Step 2: Convert to fraction form
    7,738.95/11,608.47 = 1,895.58/x
  3. Step 3: Cross multiply
    7,738.95x = 11,608.47 × 1,895.58
  4. Step 4: Simplify right side
    7,738.95x = 22,004,783.56
  5. Step 5: Solve for x
    x = 22,004,783.56/7,738.95
  6. Step 6: Final answer
    x = 2,843.38

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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.