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Finding the Fourth Proportional to 6,644.70, 9,967.41 and 2,485.80

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Solution

The fourth proportional to 6,644.70, 9,967.41 and 2,485.80 is: 3,728.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644.70 : 9,967.41 = 2,485.80 : x
  2. Step 2: Convert to fraction form
    6,644.70/9,967.41 = 2,485.80/x
  3. Step 3: Cross multiply
    6,644.70x = 9,967.41 × 2,485.80
  4. Step 4: Simplify right side
    6,644.70x = 24,776,987.78
  5. Step 5: Solve for x
    x = 24,776,987.78/6,644.70
  6. Step 6: Final answer
    x = 3,728.83

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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.