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Finding the Fourth Proportional to 3,300.07, 4,950.43 and 960.09

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Solution

The fourth proportional to 3,300.07, 4,950.43 and 960.09 is: 1,440.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.07 : 4,950.43 = 960.09 : x
  2. Step 2: Convert to fraction form
    3,300.07/4,950.43 = 960.09/x
  3. Step 3: Cross multiply
    3,300.07x = 4,950.43 × 960.09
  4. Step 4: Simplify right side
    3,300.07x = 4,752,858.34
  5. Step 5: Solve for x
    x = 4,752,858.34/3,300.07
  6. Step 6: Final answer
    x = 1,440.23

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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.