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Finding the Fourth Proportional to 6,369.44, 9,535.44 and 3,728.80

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Solution

The fourth proportional to 6,369.44, 9,535.44 and 3,728.80 is: 5,582.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,369.44 : 9,535.44 = 3,728.80 : x
  2. Step 2: Convert to fraction form
    6,369.44/9,535.44 = 3,728.80/x
  3. Step 3: Cross multiply
    6,369.44x = 9,535.44 × 3,728.80
  4. Step 4: Simplify right side
    6,369.44x = 35,555,748.67
  5. Step 5: Solve for x
    x = 35,555,748.67/6,369.44
  6. Step 6: Final answer
    x = 5,582.24

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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.