Home / 8,109.16-11,190.63-4,383.16

Finding the Fourth Proportional to 8,109.16, 11,190.63 and 4,383.16

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Solution

The fourth proportional to 8,109.16, 11,190.63 and 4,383.16 is: 6,048.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109.16 : 11,190.63 = 4,383.16 : x
  2. Step 2: Convert to fraction form
    8,109.16/11,190.63 = 4,383.16/x
  3. Step 3: Cross multiply
    8,109.16x = 11,190.63 × 4,383.16
  4. Step 4: Simplify right side
    8,109.16x = 49,050,321.79
  5. Step 5: Solve for x
    x = 49,050,321.79/8,109.16
  6. Step 6: Final answer
    x = 6,048.75

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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.