Home / 7,926.81-11,895.61-4,231.69

Finding the Fourth Proportional to 7,926.81, 11,895.61 and 4,231.69

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Solution

The fourth proportional to 7,926.81, 11,895.61 and 4,231.69 is: 6,350.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.81 : 11,895.61 = 4,231.69 : x
  2. Step 2: Convert to fraction form
    7,926.81/11,895.61 = 4,231.69/x
  3. Step 3: Cross multiply
    7,926.81x = 11,895.61 × 4,231.69
  4. Step 4: Simplify right side
    7,926.81x = 50,338,568.41
  5. Step 5: Solve for x
    x = 50,338,568.41/7,926.81
  6. Step 6: Final answer
    x = 6,350.42

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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.