Home / 7,485.66-11,229.77-3,100.73

Finding the Fourth Proportional to 7,485.66, 11,229.77 and 3,100.73

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Solution

The fourth proportional to 7,485.66, 11,229.77 and 3,100.73 is: 4,651.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.66 : 11,229.77 = 3,100.73 : x
  2. Step 2: Convert to fraction form
    7,485.66/11,229.77 = 3,100.73/x
  3. Step 3: Cross multiply
    7,485.66x = 11,229.77 × 3,100.73
  4. Step 4: Simplify right side
    7,485.66x = 34,820,436.34
  5. Step 5: Solve for x
    x = 34,820,436.34/7,485.66
  6. Step 6: Final answer
    x = 4,651.62

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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.