Home / 6,640.45-9,951.37-4,995.07

Finding the Fourth Proportional to 6,640.45, 9,951.37 and 4,995.07

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Solution

The fourth proportional to 6,640.45, 9,951.37 and 4,995.07 is: 7,485.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640.45 : 9,951.37 = 4,995.07 : x
  2. Step 2: Convert to fraction form
    6,640.45/9,951.37 = 4,995.07/x
  3. Step 3: Cross multiply
    6,640.45x = 9,951.37 × 4,995.07
  4. Step 4: Simplify right side
    6,640.45x = 49,707,789.75
  5. Step 5: Solve for x
    x = 49,707,789.75/6,640.45
  6. Step 6: Final answer
    x = 7,485.61

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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.