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Finding the Fourth Proportional to 6,819.22, 10,229.05 and 1,888.44

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Solution

The fourth proportional to 6,819.22, 10,229.05 and 1,888.44 is: 2,832.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.22 : 10,229.05 = 1,888.44 : x
  2. Step 2: Convert to fraction form
    6,819.22/10,229.05 = 1,888.44/x
  3. Step 3: Cross multiply
    6,819.22x = 10,229.05 × 1,888.44
  4. Step 4: Simplify right side
    6,819.22x = 19,316,947.18
  5. Step 5: Solve for x
    x = 19,316,947.18/6,819.22
  6. Step 6: Final answer
    x = 2,832.72

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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.