Home / 6,819.89-10,229.80-1,754.08

Finding the Fourth Proportional to 6,819.89, 10,229.80 and 1,754.08

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Solution

The fourth proportional to 6,819.89, 10,229.80 and 1,754.08 is: 2,631.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.89 : 10,229.80 = 1,754.08 : x
  2. Step 2: Convert to fraction form
    6,819.89/10,229.80 = 1,754.08/x
  3. Step 3: Cross multiply
    6,819.89x = 10,229.80 × 1,754.08
  4. Step 4: Simplify right side
    6,819.89x = 17,943,845.02
  5. Step 5: Solve for x
    x = 17,943,845.02/6,819.89
  6. Step 6: Final answer
    x = 2,631.10

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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.