Home / 7,832.25-11,750.63-3,884.72

Finding the Fourth Proportional to 7,832.25, 11,750.63 and 3,884.72

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Solution

The fourth proportional to 7,832.25, 11,750.63 and 3,884.72 is: 5,828.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,832.25 : 11,750.63 = 3,884.72 : x
  2. Step 2: Convert to fraction form
    7,832.25/11,750.63 = 3,884.72/x
  3. Step 3: Cross multiply
    7,832.25x = 11,750.63 × 3,884.72
  4. Step 4: Simplify right side
    7,832.25x = 45,647,829.20
  5. Step 5: Solve for x
    x = 45,647,829.20/7,832.25
  6. Step 6: Final answer
    x = 5,828.19

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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.