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Finding the Fourth Proportional to 4,227.88, 6,339.88 and 1,453.80

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Solution

The fourth proportional to 4,227.88, 6,339.88 and 1,453.80 is: 2,180.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,227.88 : 6,339.88 = 1,453.80 : x
  2. Step 2: Convert to fraction form
    4,227.88/6,339.88 = 1,453.80/x
  3. Step 3: Cross multiply
    4,227.88x = 6,339.88 × 1,453.80
  4. Step 4: Simplify right side
    4,227.88x = 9,216,917.54
  5. Step 5: Solve for x
    x = 9,216,917.54/4,227.88
  6. Step 6: Final answer
    x = 2,180.03

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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.