Home / 4,106.43-5,664.94-2,986.88

Finding the Fourth Proportional to 4,106.43, 5,664.94 and 2,986.88

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Solution

The fourth proportional to 4,106.43, 5,664.94 and 2,986.88 is: 4,120.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,106.43 : 5,664.94 = 2,986.88 : x
  2. Step 2: Convert to fraction form
    4,106.43/5,664.94 = 2,986.88/x
  3. Step 3: Cross multiply
    4,106.43x = 5,664.94 × 2,986.88
  4. Step 4: Simplify right side
    4,106.43x = 16,920,460.20
  5. Step 5: Solve for x
    x = 16,920,460.20/4,106.43
  6. Step 6: Final answer
    x = 4,120.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.