Home / 6,810.20-10,215.32-1,879.73

Finding the Fourth Proportional to 6,810.20, 10,215.32 and 1,879.73

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Solution

The fourth proportional to 6,810.20, 10,215.32 and 1,879.73 is: 2,819.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,810.20 : 10,215.32 = 1,879.73 : x
  2. Step 2: Convert to fraction form
    6,810.20/10,215.32 = 1,879.73/x
  3. Step 3: Cross multiply
    6,810.20x = 10,215.32 × 1,879.73
  4. Step 4: Simplify right side
    6,810.20x = 19,201,982.99
  5. Step 5: Solve for x
    x = 19,201,982.99/6,810.20
  6. Step 6: Final answer
    x = 2,819.59

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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.