Home / 8,109.06-11,190.52-4,383.06

Finding the Fourth Proportional to 8,109.06, 11,190.52 and 4,383.06

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Solution

The fourth proportional to 8,109.06, 11,190.52 and 4,383.06 is: 6,048.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109.06 : 11,190.52 = 4,383.06 : x
  2. Step 2: Convert to fraction form
    8,109.06/11,190.52 = 4,383.06/x
  3. Step 3: Cross multiply
    8,109.06x = 11,190.52 × 4,383.06
  4. Step 4: Simplify right side
    8,109.06x = 49,048,720.59
  5. Step 5: Solve for x
    x = 49,048,720.59/8,109.06
  6. Step 6: Final answer
    x = 6,048.63

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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.