Home / 10,551.94-15,828.82-2,760.75

Finding the Fourth Proportional to 10,551.94, 15,828.82 and 2,760.75

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Solution

The fourth proportional to 10,551.94, 15,828.82 and 2,760.75 is: 4,141.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.94 : 15,828.82 = 2,760.75 : x
  2. Step 2: Convert to fraction form
    10,551.94/15,828.82 = 2,760.75/x
  3. Step 3: Cross multiply
    10,551.94x = 15,828.82 × 2,760.75
  4. Step 4: Simplify right side
    10,551.94x = 43,699,407.91
  5. Step 5: Solve for x
    x = 43,699,407.91/10,551.94
  6. Step 6: Final answer
    x = 4,141.36

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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.