Home / 6,819.98-10,229.96-2,140.34

Finding the Fourth Proportional to 6,819.98, 10,229.96 and 2,140.34

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Solution

The fourth proportional to 6,819.98, 10,229.96 and 2,140.34 is: 3,210.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.98 : 10,229.96 = 2,140.34 : x
  2. Step 2: Convert to fraction form
    6,819.98/10,229.96 = 2,140.34/x
  3. Step 3: Cross multiply
    6,819.98x = 10,229.96 × 2,140.34
  4. Step 4: Simplify right side
    6,819.98x = 21,895,592.59
  5. Step 5: Solve for x
    x = 21,895,592.59/6,819.98
  6. Step 6: Final answer
    x = 3,210.51

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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.