Home / 4,121.90-6,176.10-1,748.09

Finding the Fourth Proportional to 4,121.90, 6,176.10 and 1,748.09

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Solution

The fourth proportional to 4,121.90, 6,176.10 and 1,748.09 is: 2,619.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.90 : 6,176.10 = 1,748.09 : x
  2. Step 2: Convert to fraction form
    4,121.90/6,176.10 = 1,748.09/x
  3. Step 3: Cross multiply
    4,121.90x = 6,176.10 × 1,748.09
  4. Step 4: Simplify right side
    4,121.90x = 10,796,339.03
  5. Step 5: Solve for x
    x = 10,796,339.03/4,121.90
  6. Step 6: Final answer
    x = 2,619.26

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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.