Home / 4,276.27-6,415.05-1,811.10

Finding the Fourth Proportional to 4,276.27, 6,415.05 and 1,811.10

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Solution

The fourth proportional to 4,276.27, 6,415.05 and 1,811.10 is: 2,716.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.27 : 6,415.05 = 1,811.10 : x
  2. Step 2: Convert to fraction form
    4,276.27/6,415.05 = 1,811.10/x
  3. Step 3: Cross multiply
    4,276.27x = 6,415.05 × 1,811.10
  4. Step 4: Simplify right side
    4,276.27x = 11,618,297.06
  5. Step 5: Solve for x
    x = 11,618,297.06/4,276.27
  6. Step 6: Final answer
    x = 2,716.93

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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.