Home / 7,749.36-11,621.23-4,241.96

Finding the Fourth Proportional to 7,749.36, 11,621.23 and 4,241.96

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Solution

The fourth proportional to 7,749.36, 11,621.23 and 4,241.96 is: 6,361.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749.36 : 11,621.23 = 4,241.96 : x
  2. Step 2: Convert to fraction form
    7,749.36/11,621.23 = 4,241.96/x
  3. Step 3: Cross multiply
    7,749.36x = 11,621.23 × 4,241.96
  4. Step 4: Simplify right side
    7,749.36x = 49,296,713.49
  5. Step 5: Solve for x
    x = 49,296,713.49/7,749.36
  6. Step 6: Final answer
    x = 6,361.39

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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.