Home / 8,896.98-12,277.76-4,918

Finding the Fourth Proportional to 8,896.98, 12,277.76 and 4,918

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Solution

The fourth proportional to 8,896.98, 12,277.76 and 4,918 is: 6,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,896.98 : 12,277.76 = 4,918 : x
  2. Step 2: Convert to fraction form
    8,896.98/12,277.76 = 4,918/x
  3. Step 3: Cross multiply
    8,896.98x = 12,277.76 × 4,918
  4. Step 4: Simplify right side
    8,896.98x = 60,382,023.68
  5. Step 5: Solve for x
    x = 60,382,023.68/8,896.98
  6. Step 6: Final answer
    x = 6,786.80

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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.