Home / 7,704.16-11,556.20-1,860.75

Finding the Fourth Proportional to 7,704.16, 11,556.20 and 1,860.75

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Solution

The fourth proportional to 7,704.16, 11,556.20 and 1,860.75 is: 2,791.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,704.16 : 11,556.20 = 1,860.75 : x
  2. Step 2: Convert to fraction form
    7,704.16/11,556.20 = 1,860.75/x
  3. Step 3: Cross multiply
    7,704.16x = 11,556.20 × 1,860.75
  4. Step 4: Simplify right side
    7,704.16x = 21,503,203.80
  5. Step 5: Solve for x
    x = 21,503,203.80/7,704.16
  6. Step 6: Final answer
    x = 2,791.12

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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.