Home / 8,146.22-11,239.83-4,959.47

Finding the Fourth Proportional to 8,146.22, 11,239.83 and 4,959.47

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Solution

The fourth proportional to 8,146.22, 11,239.83 and 4,959.47 is: 6,842.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.22 : 11,239.83 = 4,959.47 : x
  2. Step 2: Convert to fraction form
    8,146.22/11,239.83 = 4,959.47/x
  3. Step 3: Cross multiply
    8,146.22x = 11,239.83 × 4,959.47
  4. Step 4: Simplify right side
    8,146.22x = 55,743,627.79
  5. Step 5: Solve for x
    x = 55,743,627.79/8,146.22
  6. Step 6: Final answer
    x = 6,842.89

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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.