Home / 6,826.67-9,421.70-3,843.09

Finding the Fourth Proportional to 6,826.67, 9,421.70 and 3,843.09

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Solution

The fourth proportional to 6,826.67, 9,421.70 and 3,843.09 is: 5,303.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,826.67 : 9,421.70 = 3,843.09 : x
  2. Step 2: Convert to fraction form
    6,826.67/9,421.70 = 3,843.09/x
  3. Step 3: Cross multiply
    6,826.67x = 9,421.70 × 3,843.09
  4. Step 4: Simplify right side
    6,826.67x = 36,208,403.55
  5. Step 5: Solve for x
    x = 36,208,403.55/6,826.67
  6. Step 6: Final answer
    x = 5,303.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.