Home / 8,896.88-12,277.60-4,917.80

Finding the Fourth Proportional to 8,896.88, 12,277.60 and 4,917.80

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Solution

The fourth proportional to 8,896.88, 12,277.60 and 4,917.80 is: 6,786.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,896.88 : 12,277.60 = 4,917.80 : x
  2. Step 2: Convert to fraction form
    8,896.88/12,277.60 = 4,917.80/x
  3. Step 3: Cross multiply
    8,896.88x = 12,277.60 × 4,917.80
  4. Step 4: Simplify right side
    8,896.88x = 60,378,707.60
  5. Step 5: Solve for x
    x = 60,378,707.60/8,896.88
  6. Step 6: Final answer
    x = 6,786.51

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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.