Home / 8,119.36-11,203.82-4,581.92

Finding the Fourth Proportional to 8,119.36, 11,203.82 and 4,581.92

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Solution

The fourth proportional to 8,119.36, 11,203.82 and 4,581.92 is: 6,322.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119.36 : 11,203.82 = 4,581.92 : x
  2. Step 2: Convert to fraction form
    8,119.36/11,203.82 = 4,581.92/x
  3. Step 3: Cross multiply
    8,119.36x = 11,203.82 × 4,581.92
  4. Step 4: Simplify right side
    8,119.36x = 51,335,006.93
  5. Step 5: Solve for x
    x = 51,335,006.93/8,119.36
  6. Step 6: Final answer
    x = 6,322.54

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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.