Home / 9,628.83-13,286.82-5,379.54

Finding the Fourth Proportional to 9,628.83, 13,286.82 and 5,379.54

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Solution

The fourth proportional to 9,628.83, 13,286.82 and 5,379.54 is: 7,423.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,628.83 : 13,286.82 = 5,379.54 : x
  2. Step 2: Convert to fraction form
    9,628.83/13,286.82 = 5,379.54/x
  3. Step 3: Cross multiply
    9,628.83x = 13,286.82 × 5,379.54
  4. Step 4: Simplify right side
    9,628.83x = 71,476,979.66
  5. Step 5: Solve for x
    x = 71,476,979.66/9,628.83
  6. Step 6: Final answer
    x = 7,423.23

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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.