Home / 5,169.65-7,754.49-1,274.09

Finding the Fourth Proportional to 5,169.65, 7,754.49 and 1,274.09

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Solution

The fourth proportional to 5,169.65, 7,754.49 and 1,274.09 is: 1,911.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.65 : 7,754.49 = 1,274.09 : x
  2. Step 2: Convert to fraction form
    5,169.65/7,754.49 = 1,274.09/x
  3. Step 3: Cross multiply
    5,169.65x = 7,754.49 × 1,274.09
  4. Step 4: Simplify right side
    5,169.65x = 9,879,879.39
  5. Step 5: Solve for x
    x = 9,879,879.39/5,169.65
  6. Step 6: Final answer
    x = 1,911.13

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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.