Home / 7,925.25-11,887.57-3,243.92

Finding the Fourth Proportional to 7,925.25, 11,887.57 and 3,243.92

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Solution

The fourth proportional to 7,925.25, 11,887.57 and 3,243.92 is: 4,865.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.25 : 11,887.57 = 3,243.92 : x
  2. Step 2: Convert to fraction form
    7,925.25/11,887.57 = 3,243.92/x
  3. Step 3: Cross multiply
    7,925.25x = 11,887.57 × 3,243.92
  4. Step 4: Simplify right side
    7,925.25x = 38,562,270.69
  5. Step 5: Solve for x
    x = 38,562,270.69/7,925.25
  6. Step 6: Final answer
    x = 4,865.75

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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.