Home / 8,119.22-11,203.99-4,581.95

Finding the Fourth Proportional to 8,119.22, 11,203.99 and 4,581.95

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Solution

The fourth proportional to 8,119.22, 11,203.99 and 4,581.95 is: 6,322.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119.22 : 11,203.99 = 4,581.95 : x
  2. Step 2: Convert to fraction form
    8,119.22/11,203.99 = 4,581.95/x
  3. Step 3: Cross multiply
    8,119.22x = 11,203.99 × 4,581.95
  4. Step 4: Simplify right side
    8,119.22x = 51,336,054.51
  5. Step 5: Solve for x
    x = 51,336,054.51/8,119.22
  6. Step 6: Final answer
    x = 6,322.79

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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.