Home / 7,469.78-11,199.48-3,307.52

Finding the Fourth Proportional to 7,469.78, 11,199.48 and 3,307.52

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Solution

The fourth proportional to 7,469.78, 11,199.48 and 3,307.52 is: 4,958.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.78 : 11,199.48 = 3,307.52 : x
  2. Step 2: Convert to fraction form
    7,469.78/11,199.48 = 3,307.52/x
  3. Step 3: Cross multiply
    7,469.78x = 11,199.48 × 3,307.52
  4. Step 4: Simplify right side
    7,469.78x = 37,042,448.09
  5. Step 5: Solve for x
    x = 37,042,448.09/7,469.78
  6. Step 6: Final answer
    x = 4,958.98

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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.