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Finding the Fourth Proportional to 7,752.42, 11,628.37 and 3,369.88

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Solution

The fourth proportional to 7,752.42, 11,628.37 and 3,369.88 is: 5,054.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752.42 : 11,628.37 = 3,369.88 : x
  2. Step 2: Convert to fraction form
    7,752.42/11,628.37 = 3,369.88/x
  3. Step 3: Cross multiply
    7,752.42x = 11,628.37 × 3,369.88
  4. Step 4: Simplify right side
    7,752.42x = 39,186,153.35
  5. Step 5: Solve for x
    x = 39,186,153.35/7,752.42
  6. Step 6: Final answer
    x = 5,054.70

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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.