Home / 6,789.12-10,182-2,893.12

Finding the Fourth Proportional to 6,789.12, 10,182 and 2,893.12

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Solution

The fourth proportional to 6,789.12, 10,182 and 2,893.12 is: 4,338.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.12 : 10,182 = 2,893.12 : x
  2. Step 2: Convert to fraction form
    6,789.12/10,182 = 2,893.12/x
  3. Step 3: Cross multiply
    6,789.12x = 10,182 × 2,893.12
  4. Step 4: Simplify right side
    6,789.12x = 29,457,747.84
  5. Step 5: Solve for x
    x = 29,457,747.84/6,789.12
  6. Step 6: Final answer
    x = 4,338.96

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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.