Home / 7,749.29-11,623.73-2,819.03

Finding the Fourth Proportional to 7,749.29, 11,623.73 and 2,819.03

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Solution

The fourth proportional to 7,749.29, 11,623.73 and 2,819.03 is: 4,228.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749.29 : 11,623.73 = 2,819.03 : x
  2. Step 2: Convert to fraction form
    7,749.29/11,623.73 = 2,819.03/x
  3. Step 3: Cross multiply
    7,749.29x = 11,623.73 × 2,819.03
  4. Step 4: Simplify right side
    7,749.29x = 32,767,571.37
  5. Step 5: Solve for x
    x = 32,767,571.37/7,749.29
  6. Step 6: Final answer
    x = 4,228.46

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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.