Home / 6,819.50-10,228.06-1,821.94

Finding the Fourth Proportional to 6,819.50, 10,228.06 and 1,821.94

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Solution

The fourth proportional to 6,819.50, 10,228.06 and 1,821.94 is: 2,732.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.50 : 10,228.06 = 1,821.94 : x
  2. Step 2: Convert to fraction form
    6,819.50/10,228.06 = 1,821.94/x
  3. Step 3: Cross multiply
    6,819.50x = 10,228.06 × 1,821.94
  4. Step 4: Simplify right side
    6,819.50x = 18,634,911.64
  5. Step 5: Solve for x
    x = 18,634,911.64/6,819.50
  6. Step 6: Final answer
    x = 2,732.59

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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.