Home / 8,147.82-11,240.60-4,959.93

Finding the Fourth Proportional to 8,147.82, 11,240.60 and 4,959.93

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Solution

The fourth proportional to 8,147.82, 11,240.60 and 4,959.93 is: 6,842.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.82 : 11,240.60 = 4,959.93 : x
  2. Step 2: Convert to fraction form
    8,147.82/11,240.60 = 4,959.93/x
  3. Step 3: Cross multiply
    8,147.82x = 11,240.60 × 4,959.93
  4. Step 4: Simplify right side
    8,147.82x = 55,752,564.36
  5. Step 5: Solve for x
    x = 55,752,564.36/8,147.82
  6. Step 6: Final answer
    x = 6,842.64

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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.