Home / 27,778.12-41,666.82-6,718

Finding the Fourth Proportional to 27,778.12, 41,666.82 and 6,718

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Solution

The fourth proportional to 27,778.12, 41,666.82 and 6,718 is: 10,076.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,778.12 : 41,666.82 = 6,718 : x
  2. Step 2: Convert to fraction form
    27,778.12/41,666.82 = 6,718/x
  3. Step 3: Cross multiply
    27,778.12x = 41,666.82 × 6,718
  4. Step 4: Simplify right side
    27,778.12x = 279,917,696.76
  5. Step 5: Solve for x
    x = 279,917,696.76/27,778.12
  6. Step 6: Final answer
    x = 10,076.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.