Home / 4,079.22-6,109.71-1,881.28

Finding the Fourth Proportional to 4,079.22, 6,109.71 and 1,881.28

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Solution

The fourth proportional to 4,079.22, 6,109.71 and 1,881.28 is: 2,817.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.22 : 6,109.71 = 1,881.28 : x
  2. Step 2: Convert to fraction form
    4,079.22/6,109.71 = 1,881.28/x
  3. Step 3: Cross multiply
    4,079.22x = 6,109.71 × 1,881.28
  4. Step 4: Simplify right side
    4,079.22x = 11,494,075.23
  5. Step 5: Solve for x
    x = 11,494,075.23/4,079.22
  6. Step 6: Final answer
    x = 2,817.71

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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.