Home / 8,379.05-11,555.37-5,694.28

Finding the Fourth Proportional to 8,379.05, 11,555.37 and 5,694.28

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Solution

The fourth proportional to 8,379.05, 11,555.37 and 5,694.28 is: 7,852.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,379.05 : 11,555.37 = 5,694.28 : x
  2. Step 2: Convert to fraction form
    8,379.05/11,555.37 = 5,694.28/x
  3. Step 3: Cross multiply
    8,379.05x = 11,555.37 × 5,694.28
  4. Step 4: Simplify right side
    8,379.05x = 65,799,469.16
  5. Step 5: Solve for x
    x = 65,799,469.16/8,379.05
  6. Step 6: Final answer
    x = 7,852.85

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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.