Home / 6,826.80-10,242.36-4,231.56

Finding the Fourth Proportional to 6,826.80, 10,242.36 and 4,231.56

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Solution

The fourth proportional to 6,826.80, 10,242.36 and 4,231.56 is: 6,348.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,826.80 : 10,242.36 = 4,231.56 : x
  2. Step 2: Convert to fraction form
    6,826.80/10,242.36 = 4,231.56/x
  3. Step 3: Cross multiply
    6,826.80x = 10,242.36 × 4,231.56
  4. Step 4: Simplify right side
    6,826.80x = 43,341,160.88
  5. Step 5: Solve for x
    x = 43,341,160.88/6,826.80
  6. Step 6: Final answer
    x = 6,348.68

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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.