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Finding the Fourth Proportional to 7,752.48, 11,628.46 and 3,369.94

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Solution

The fourth proportional to 7,752.48, 11,628.46 and 3,369.94 is: 5,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752.48 : 11,628.46 = 3,369.94 : x
  2. Step 2: Convert to fraction form
    7,752.48/11,628.46 = 3,369.94/x
  3. Step 3: Cross multiply
    7,752.48x = 11,628.46 × 3,369.94
  4. Step 4: Simplify right side
    7,752.48x = 39,187,212.49
  5. Step 5: Solve for x
    x = 39,187,212.49/7,752.48
  6. Step 6: Final answer
    x = 5,054.80

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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.