Home / 4,069.06-6,105.82-1,878.02

Finding the Fourth Proportional to 4,069.06, 6,105.82 and 1,878.02

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Solution

The fourth proportional to 4,069.06, 6,105.82 and 1,878.02 is: 2,818.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069.06 : 6,105.82 = 1,878.02 : x
  2. Step 2: Convert to fraction form
    4,069.06/6,105.82 = 1,878.02/x
  3. Step 3: Cross multiply
    4,069.06x = 6,105.82 × 1,878.02
  4. Step 4: Simplify right side
    4,069.06x = 11,466,852.08
  5. Step 5: Solve for x
    x = 11,466,852.08/4,069.06
  6. Step 6: Final answer
    x = 2,818.06

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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.