Home / 7,750.69-11,627.85-2,556.56

Finding the Fourth Proportional to 7,750.69, 11,627.85 and 2,556.56

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Solution

The fourth proportional to 7,750.69, 11,627.85 and 2,556.56 is: 3,835.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.69 : 11,627.85 = 2,556.56 : x
  2. Step 2: Convert to fraction form
    7,750.69/11,627.85 = 2,556.56/x
  3. Step 3: Cross multiply
    7,750.69x = 11,627.85 × 2,556.56
  4. Step 4: Simplify right side
    7,750.69x = 29,727,334.85
  5. Step 5: Solve for x
    x = 29,727,334.85/7,750.69
  6. Step 6: Final answer
    x = 3,835.44

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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.