Home / 4,118.63-6,177.09-1,519.79

Finding the Fourth Proportional to 4,118.63, 6,177.09 and 1,519.79

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Solution

The fourth proportional to 4,118.63, 6,177.09 and 1,519.79 is: 2,279.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.63 : 6,177.09 = 1,519.79 : x
  2. Step 2: Convert to fraction form
    4,118.63/6,177.09 = 1,519.79/x
  3. Step 3: Cross multiply
    4,118.63x = 6,177.09 × 1,519.79
  4. Step 4: Simplify right side
    4,118.63x = 9,387,879.61
  5. Step 5: Solve for x
    x = 9,387,879.61/4,118.63
  6. Step 6: Final answer
    x = 2,279.37

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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.