Home / 6,828.36-10,234.03-2,928.21

Finding the Fourth Proportional to 6,828.36, 10,234.03 and 2,928.21

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Solution

The fourth proportional to 6,828.36, 10,234.03 and 2,928.21 is: 4,388.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.36 : 10,234.03 = 2,928.21 : x
  2. Step 2: Convert to fraction form
    6,828.36/10,234.03 = 2,928.21/x
  3. Step 3: Cross multiply
    6,828.36x = 10,234.03 × 2,928.21
  4. Step 4: Simplify right side
    6,828.36x = 29,967,388.99
  5. Step 5: Solve for x
    x = 29,967,388.99/6,828.36
  6. Step 6: Final answer
    x = 4,388.67

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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.