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Finding the Fourth Proportional to 6,622.78, 9,923.23 and 4,432.14

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Solution

The fourth proportional to 6,622.78, 9,923.23 and 4,432.14 is: 6,640.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.78 : 9,923.23 = 4,432.14 : x
  2. Step 2: Convert to fraction form
    6,622.78/9,923.23 = 4,432.14/x
  3. Step 3: Cross multiply
    6,622.78x = 9,923.23 × 4,432.14
  4. Step 4: Simplify right side
    6,622.78x = 43,981,144.61
  5. Step 5: Solve for x
    x = 43,981,144.61/6,622.78
  6. Step 6: Final answer
    x = 6,640.89

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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.