Home / 4,086.41-6,128.23-1,453.80

Finding the Fourth Proportional to 4,086.41, 6,128.23 and 1,453.80

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Solution

The fourth proportional to 4,086.41, 6,128.23 and 1,453.80 is: 2,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.41 : 6,128.23 = 1,453.80 : x
  2. Step 2: Convert to fraction form
    4,086.41/6,128.23 = 1,453.80/x
  3. Step 3: Cross multiply
    4,086.41x = 6,128.23 × 1,453.80
  4. Step 4: Simplify right side
    4,086.41x = 8,909,220.77
  5. Step 5: Solve for x
    x = 8,909,220.77/4,086.41
  6. Step 6: Final answer
    x = 2,180.21

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1.5x scale

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.