Home / 7,743.88-11,615.76-1,900.44

Finding the Fourth Proportional to 7,743.88, 11,615.76 and 1,900.44

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Solution

The fourth proportional to 7,743.88, 11,615.76 and 1,900.44 is: 2,850.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.88 : 11,615.76 = 1,900.44 : x
  2. Step 2: Convert to fraction form
    7,743.88/11,615.76 = 1,900.44/x
  3. Step 3: Cross multiply
    7,743.88x = 11,615.76 × 1,900.44
  4. Step 4: Simplify right side
    7,743.88x = 22,075,054.93
  5. Step 5: Solve for x
    x = 22,075,054.93/7,743.88
  6. Step 6: Final answer
    x = 2,850.65

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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.