Home / 4,276.12-6,415.26-1,811.56

Finding the Fourth Proportional to 4,276.12, 6,415.26 and 1,811.56

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Solution

The fourth proportional to 4,276.12, 6,415.26 and 1,811.56 is: 2,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.12 : 6,415.26 = 1,811.56 : x
  2. Step 2: Convert to fraction form
    4,276.12/6,415.26 = 1,811.56/x
  3. Step 3: Cross multiply
    4,276.12x = 6,415.26 × 1,811.56
  4. Step 4: Simplify right side
    4,276.12x = 11,621,628.41
  5. Step 5: Solve for x
    x = 11,621,628.41/4,276.12
  6. Step 6: Final answer
    x = 2,717.80

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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.