Home / 6,660.03-9,190.74-3,788.73

Finding the Fourth Proportional to 6,660.03, 9,190.74 and 3,788.73

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Solution

The fourth proportional to 6,660.03, 9,190.74 and 3,788.73 is: 5,228.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.03 : 9,190.74 = 3,788.73 : x
  2. Step 2: Convert to fraction form
    6,660.03/9,190.74 = 3,788.73/x
  3. Step 3: Cross multiply
    6,660.03x = 9,190.74 × 3,788.73
  4. Step 4: Simplify right side
    6,660.03x = 34,821,232.36
  5. Step 5: Solve for x
    x = 34,821,232.36/6,660.03
  6. Step 6: Final answer
    x = 5,228.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.