Home / 7,771.44-11,657.70-2,575.56

Finding the Fourth Proportional to 7,771.44, 11,657.70 and 2,575.56

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Solution

The fourth proportional to 7,771.44, 11,657.70 and 2,575.56 is: 3,863.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771.44 : 11,657.70 = 2,575.56 : x
  2. Step 2: Convert to fraction form
    7,771.44/11,657.70 = 2,575.56/x
  3. Step 3: Cross multiply
    7,771.44x = 11,657.70 × 2,575.56
  4. Step 4: Simplify right side
    7,771.44x = 30,025,105.81
  5. Step 5: Solve for x
    x = 30,025,105.81/7,771.44
  6. Step 6: Final answer
    x = 3,863.52

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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.