Home / 7,703.42-11,556.57-3,086.78

Finding the Fourth Proportional to 7,703.42, 11,556.57 and 3,086.78

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Solution

The fourth proportional to 7,703.42, 11,556.57 and 3,086.78 is: 4,630.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,703.42 : 11,556.57 = 3,086.78 : x
  2. Step 2: Convert to fraction form
    7,703.42/11,556.57 = 3,086.78/x
  3. Step 3: Cross multiply
    7,703.42x = 11,556.57 × 3,086.78
  4. Step 4: Simplify right side
    7,703.42x = 35,672,589.14
  5. Step 5: Solve for x
    x = 35,672,589.14/7,703.42
  6. Step 6: Final answer
    x = 4,630.75

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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.