Home / 5,414.09-8,124.37-3,107.21

Finding the Fourth Proportional to 5,414.09, 8,124.37 and 3,107.21

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Solution

The fourth proportional to 5,414.09, 8,124.37 and 3,107.21 is: 4,662.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.09 : 8,124.37 = 3,107.21 : x
  2. Step 2: Convert to fraction form
    5,414.09/8,124.37 = 3,107.21/x
  3. Step 3: Cross multiply
    5,414.09x = 8,124.37 × 3,107.21
  4. Step 4: Simplify right side
    5,414.09x = 25,244,075.32
  5. Step 5: Solve for x
    x = 25,244,075.32/5,414.09
  6. Step 6: Final answer
    x = 4,662.67

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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.