Home / 4,119.15-6,175.79-1,926.68

Finding the Fourth Proportional to 4,119.15, 6,175.79 and 1,926.68

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Solution

The fourth proportional to 4,119.15, 6,175.79 and 1,926.68 is: 2,888.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.15 : 6,175.79 = 1,926.68 : x
  2. Step 2: Convert to fraction form
    4,119.15/6,175.79 = 1,926.68/x
  3. Step 3: Cross multiply
    4,119.15x = 6,175.79 × 1,926.68
  4. Step 4: Simplify right side
    4,119.15x = 11,898,786.52
  5. Step 5: Solve for x
    x = 11,898,786.52/4,119.15
  6. Step 6: Final answer
    x = 2,888.65

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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.