Home / 6,819.90-10,223.34-3,892.56

Finding the Fourth Proportional to 6,819.90, 10,223.34 and 3,892.56

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Solution

The fourth proportional to 6,819.90, 10,223.34 and 3,892.56 is: 5,835.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.90 : 10,223.34 = 3,892.56 : x
  2. Step 2: Convert to fraction form
    6,819.90/10,223.34 = 3,892.56/x
  3. Step 3: Cross multiply
    6,819.90x = 10,223.34 × 3,892.56
  4. Step 4: Simplify right side
    6,819.90x = 39,794,964.35
  5. Step 5: Solve for x
    x = 39,794,964.35/6,819.90
  6. Step 6: Final answer
    x = 5,835.12

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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.