Home / 7,706.12-11,556.45-2,774.44

Finding the Fourth Proportional to 7,706.12, 11,556.45 and 2,774.44

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Solution

The fourth proportional to 7,706.12, 11,556.45 and 2,774.44 is: 4,160.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,706.12 : 11,556.45 = 2,774.44 : x
  2. Step 2: Convert to fraction form
    7,706.12/11,556.45 = 2,774.44/x
  3. Step 3: Cross multiply
    7,706.12x = 11,556.45 × 2,774.44
  4. Step 4: Simplify right side
    7,706.12x = 32,062,618.78
  5. Step 5: Solve for x
    x = 32,062,618.78/7,706.12
  6. Step 6: Final answer
    x = 4,160.67

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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.