Home / 7,626.40-11,440.97-2,628.54

Finding the Fourth Proportional to 7,626.40, 11,440.97 and 2,628.54

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Solution

The fourth proportional to 7,626.40, 11,440.97 and 2,628.54 is: 3,943.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,626.40 : 11,440.97 = 2,628.54 : x
  2. Step 2: Convert to fraction form
    7,626.40/11,440.97 = 2,628.54/x
  3. Step 3: Cross multiply
    7,626.40x = 11,440.97 × 2,628.54
  4. Step 4: Simplify right side
    7,626.40x = 30,073,035.30
  5. Step 5: Solve for x
    x = 30,073,035.30/7,626.40
  6. Step 6: Final answer
    x = 3,943.28

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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.