Home / 8,209.29-11,326.74-5,021.43

Finding the Fourth Proportional to 8,209.29, 11,326.74 and 5,021.43

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Solution

The fourth proportional to 8,209.29, 11,326.74 and 5,021.43 is: 6,928.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209.29 : 11,326.74 = 5,021.43 : x
  2. Step 2: Convert to fraction form
    8,209.29/11,326.74 = 5,021.43/x
  3. Step 3: Cross multiply
    8,209.29x = 11,326.74 × 5,021.43
  4. Step 4: Simplify right side
    8,209.29x = 56,876,370.73
  5. Step 5: Solve for x
    x = 56,876,370.73/8,209.29
  6. Step 6: Final answer
    x = 6,928.29

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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.