Home / 8,106.21-11,190.99-5,601.80

Finding the Fourth Proportional to 8,106.21, 11,190.99 and 5,601.80

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Solution

The fourth proportional to 8,106.21, 11,190.99 and 5,601.80 is: 7,733.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.21 : 11,190.99 = 5,601.80 : x
  2. Step 2: Convert to fraction form
    8,106.21/11,190.99 = 5,601.80/x
  3. Step 3: Cross multiply
    8,106.21x = 11,190.99 × 5,601.80
  4. Step 4: Simplify right side
    8,106.21x = 62,689,687.78
  5. Step 5: Solve for x
    x = 62,689,687.78/8,106.21
  6. Step 6: Final answer
    x = 7,733.54

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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.