Home / 7,675.20-11,512.80-2,480.94

Finding the Fourth Proportional to 7,675.20, 11,512.80 and 2,480.94

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Solution

The fourth proportional to 7,675.20, 11,512.80 and 2,480.94 is: 3,721.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.20 : 11,512.80 = 2,480.94 : x
  2. Step 2: Convert to fraction form
    7,675.20/11,512.80 = 2,480.94/x
  3. Step 3: Cross multiply
    7,675.20x = 11,512.80 × 2,480.94
  4. Step 4: Simplify right side
    7,675.20x = 28,562,566.03
  5. Step 5: Solve for x
    x = 28,562,566.03/7,675.20
  6. Step 6: Final answer
    x = 3,721.41

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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.