Home / 7,738.74-11,608.92-3,579.12

Finding the Fourth Proportional to 7,738.74, 11,608.92 and 3,579.12

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Solution

The fourth proportional to 7,738.74, 11,608.92 and 3,579.12 is: 5,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.74 : 11,608.92 = 3,579.12 : x
  2. Step 2: Convert to fraction form
    7,738.74/11,608.92 = 3,579.12/x
  3. Step 3: Cross multiply
    7,738.74x = 11,608.92 × 3,579.12
  4. Step 4: Simplify right side
    7,738.74x = 41,549,717.75
  5. Step 5: Solve for x
    x = 41,549,717.75/7,738.74
  6. Step 6: Final answer
    x = 5,369.05

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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.