Home / 4,256.25-6,385.59-1,789.80

Finding the Fourth Proportional to 4,256.25, 6,385.59 and 1,789.80

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Solution

The fourth proportional to 4,256.25, 6,385.59 and 1,789.80 is: 2,685.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,256.25 : 6,385.59 = 1,789.80 : x
  2. Step 2: Convert to fraction form
    4,256.25/6,385.59 = 1,789.80/x
  3. Step 3: Cross multiply
    4,256.25x = 6,385.59 × 1,789.80
  4. Step 4: Simplify right side
    4,256.25x = 11,428,928.98
  5. Step 5: Solve for x
    x = 11,428,928.98/4,256.25
  6. Step 6: Final answer
    x = 2,685.21

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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.