Home / 8,377.21-12,556.99-2,825.29

Finding the Fourth Proportional to 8,377.21, 12,556.99 and 2,825.29

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Solution

The fourth proportional to 8,377.21, 12,556.99 and 2,825.29 is: 4,234.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,377.21 : 12,556.99 = 2,825.29 : x
  2. Step 2: Convert to fraction form
    8,377.21/12,556.99 = 2,825.29/x
  3. Step 3: Cross multiply
    8,377.21x = 12,556.99 × 2,825.29
  4. Step 4: Simplify right side
    8,377.21x = 35,477,138.28
  5. Step 5: Solve for x
    x = 35,477,138.28/8,377.21
  6. Step 6: Final answer
    x = 4,234.96

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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.