Home / 7,288.50-10,935.49-2,906.30

Finding the Fourth Proportional to 7,288.50, 10,935.49 and 2,906.30

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Solution

The fourth proportional to 7,288.50, 10,935.49 and 2,906.30 is: 4,360.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.50 : 10,935.49 = 2,906.30 : x
  2. Step 2: Convert to fraction form
    7,288.50/10,935.49 = 2,906.30/x
  3. Step 3: Cross multiply
    7,288.50x = 10,935.49 × 2,906.30
  4. Step 4: Simplify right side
    7,288.50x = 31,781,778.60
  5. Step 5: Solve for x
    x = 31,781,778.60/7,288.50
  6. Step 6: Final answer
    x = 4,360.54

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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.