Home / 7,836.68-11,756.12-2,290.43

Finding the Fourth Proportional to 7,836.68, 11,756.12 and 2,290.43

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Solution

The fourth proportional to 7,836.68, 11,756.12 and 2,290.43 is: 3,435.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.68 : 11,756.12 = 2,290.43 : x
  2. Step 2: Convert to fraction form
    7,836.68/11,756.12 = 2,290.43/x
  3. Step 3: Cross multiply
    7,836.68x = 11,756.12 × 2,290.43
  4. Step 4: Simplify right side
    7,836.68x = 26,926,569.93
  5. Step 5: Solve for x
    x = 26,926,569.93/7,836.68
  6. Step 6: Final answer
    x = 3,435.97

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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.