Home / 7,490.27-11,220.37-3,730.73

Finding the Fourth Proportional to 7,490.27, 11,220.37 and 3,730.73

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Solution

The fourth proportional to 7,490.27, 11,220.37 and 3,730.73 is: 5,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.27 : 11,220.37 = 3,730.73 : x
  2. Step 2: Convert to fraction form
    7,490.27/11,220.37 = 3,730.73/x
  3. Step 3: Cross multiply
    7,490.27x = 11,220.37 × 3,730.73
  4. Step 4: Simplify right side
    7,490.27x = 41,860,105.54
  5. Step 5: Solve for x
    x = 41,860,105.54/7,490.27
  6. Step 6: Final answer
    x = 5,588.60

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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.