Home / 4,276.11-6,415.80-1,679.25

Finding the Fourth Proportional to 4,276.11, 6,415.80 and 1,679.25

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Solution

The fourth proportional to 4,276.11, 6,415.80 and 1,679.25 is: 2,519.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.11 : 6,415.80 = 1,679.25 : x
  2. Step 2: Convert to fraction form
    4,276.11/6,415.80 = 1,679.25/x
  3. Step 3: Cross multiply
    4,276.11x = 6,415.80 × 1,679.25
  4. Step 4: Simplify right side
    4,276.11x = 10,773,732.15
  5. Step 5: Solve for x
    x = 10,773,732.15/4,276.11
  6. Step 6: Final answer
    x = 2,519.52

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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.