Home / 7,940.52-11,910.96-3,012.48

Finding the Fourth Proportional to 7,940.52, 11,910.96 and 3,012.48

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Solution

The fourth proportional to 7,940.52, 11,910.96 and 3,012.48 is: 4,518.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.52 : 11,910.96 = 3,012.48 : x
  2. Step 2: Convert to fraction form
    7,940.52/11,910.96 = 3,012.48/x
  3. Step 3: Cross multiply
    7,940.52x = 11,910.96 × 3,012.48
  4. Step 4: Simplify right side
    7,940.52x = 35,881,528.78
  5. Step 5: Solve for x
    x = 35,881,528.78/7,940.52
  6. Step 6: Final answer
    x = 4,518.79

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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.