Home / 7,749.09-11,621.89-2,202.32

Finding the Fourth Proportional to 7,749.09, 11,621.89 and 2,202.32

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Solution

The fourth proportional to 7,749.09, 11,621.89 and 2,202.32 is: 3,302.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749.09 : 11,621.89 = 2,202.32 : x
  2. Step 2: Convert to fraction form
    7,749.09/11,621.89 = 2,202.32/x
  3. Step 3: Cross multiply
    7,749.09x = 11,621.89 × 2,202.32
  4. Step 4: Simplify right side
    7,749.09x = 25,595,120.78
  5. Step 5: Solve for x
    x = 25,595,120.78/7,749.09
  6. Step 6: Final answer
    x = 3,302.98

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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.