Home / 6,819.72-10,229.80-1,888.94

Finding the Fourth Proportional to 6,819.72, 10,229.80 and 1,888.94

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Solution

The fourth proportional to 6,819.72, 10,229.80 and 1,888.94 is: 2,833.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.72 : 10,229.80 = 1,888.94 : x
  2. Step 2: Convert to fraction form
    6,819.72/10,229.80 = 1,888.94/x
  3. Step 3: Cross multiply
    6,819.72x = 10,229.80 × 1,888.94
  4. Step 4: Simplify right side
    6,819.72x = 19,323,478.41
  5. Step 5: Solve for x
    x = 19,323,478.41/6,819.72
  6. Step 6: Final answer
    x = 2,833.47

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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.