Home / 7,456.96-11,185.83-1,910.35

Finding the Fourth Proportional to 7,456.96, 11,185.83 and 1,910.35

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Solution

The fourth proportional to 7,456.96, 11,185.83 and 1,910.35 is: 2,865.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.96 : 11,185.83 = 1,910.35 : x
  2. Step 2: Convert to fraction form
    7,456.96/11,185.83 = 1,910.35/x
  3. Step 3: Cross multiply
    7,456.96x = 11,185.83 × 1,910.35
  4. Step 4: Simplify right side
    7,456.96x = 21,368,822.38
  5. Step 5: Solve for x
    x = 21,368,822.38/7,456.96
  6. Step 6: Final answer
    x = 2,865.62

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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.