Home / 6,820.61-10,229.90-1,889.73

Finding the Fourth Proportional to 6,820.61, 10,229.90 and 1,889.73

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Solution

The fourth proportional to 6,820.61, 10,229.90 and 1,889.73 is: 2,834.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820.61 : 10,229.90 = 1,889.73 : x
  2. Step 2: Convert to fraction form
    6,820.61/10,229.90 = 1,889.73/x
  3. Step 3: Cross multiply
    6,820.61x = 10,229.90 × 1,889.73
  4. Step 4: Simplify right side
    6,820.61x = 19,331,739.48
  5. Step 5: Solve for x
    x = 19,331,739.48/6,820.61
  6. Step 6: Final answer
    x = 2,834.31

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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.