Home / 9,628.33-13,286.67-5,379.37

Finding the Fourth Proportional to 9,628.33, 13,286.67 and 5,379.37

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Solution

The fourth proportional to 9,628.33, 13,286.67 and 5,379.37 is: 7,423.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,628.33 : 13,286.67 = 5,379.37 : x
  2. Step 2: Convert to fraction form
    9,628.33/13,286.67 = 5,379.37/x
  3. Step 3: Cross multiply
    9,628.33x = 13,286.67 × 5,379.37
  4. Step 4: Simplify right side
    9,628.33x = 71,473,914.00
  5. Step 5: Solve for x
    x = 71,473,914.00/9,628.33
  6. Step 6: Final answer
    x = 7,423.29

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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.