Home / 10,788.88-16,182.81-2,891.38

Finding the Fourth Proportional to 10,788.88, 16,182.81 and 2,891.38

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Solution

The fourth proportional to 10,788.88, 16,182.81 and 2,891.38 is: 4,336.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,788.88 : 16,182.81 = 2,891.38 : x
  2. Step 2: Convert to fraction form
    10,788.88/16,182.81 = 2,891.38/x
  3. Step 3: Cross multiply
    10,788.88x = 16,182.81 × 2,891.38
  4. Step 4: Simplify right side
    10,788.88x = 46,790,653.18
  5. Step 5: Solve for x
    x = 46,790,653.18/10,788.88
  6. Step 6: Final answer
    x = 4,336.93

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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.