Home / 7,474.09-11,211.45-2,793.63

Finding the Fourth Proportional to 7,474.09, 11,211.45 and 2,793.63

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Solution

The fourth proportional to 7,474.09, 11,211.45 and 2,793.63 is: 4,190.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.09 : 11,211.45 = 2,793.63 : x
  2. Step 2: Convert to fraction form
    7,474.09/11,211.45 = 2,793.63/x
  3. Step 3: Cross multiply
    7,474.09x = 11,211.45 × 2,793.63
  4. Step 4: Simplify right side
    7,474.09x = 31,320,607.59
  5. Step 5: Solve for x
    x = 31,320,607.59/7,474.09
  6. Step 6: Final answer
    x = 4,190.56

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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.