Home / 4,276.26-6,415.60-1,679.94

Finding the Fourth Proportional to 4,276.26, 6,415.60 and 1,679.94

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Solution

The fourth proportional to 4,276.26, 6,415.60 and 1,679.94 is: 2,520.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.26 : 6,415.60 = 1,679.94 : x
  2. Step 2: Convert to fraction form
    4,276.26/6,415.60 = 1,679.94/x
  3. Step 3: Cross multiply
    4,276.26x = 6,415.60 × 1,679.94
  4. Step 4: Simplify right side
    4,276.26x = 10,777,823.06
  5. Step 5: Solve for x
    x = 10,777,823.06/4,276.26
  6. Step 6: Final answer
    x = 2,520.39

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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.