Home / 7,856.23-11,788.18-3,696.65

Finding the Fourth Proportional to 7,856.23, 11,788.18 and 3,696.65

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Solution

The fourth proportional to 7,856.23, 11,788.18 and 3,696.65 is: 5,546.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,856.23 : 11,788.18 = 3,696.65 : x
  2. Step 2: Convert to fraction form
    7,856.23/11,788.18 = 3,696.65/x
  3. Step 3: Cross multiply
    7,856.23x = 11,788.18 × 3,696.65
  4. Step 4: Simplify right side
    7,856.23x = 43,576,722.15
  5. Step 5: Solve for x
    x = 43,576,722.15/7,856.23
  6. Step 6: Final answer
    x = 5,546.78

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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.