Home / 7,822.86-11,735.79-2,556.45

Finding the Fourth Proportional to 7,822.86, 11,735.79 and 2,556.45

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Solution

The fourth proportional to 7,822.86, 11,735.79 and 2,556.45 is: 3,835.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.86 : 11,735.79 = 2,556.45 : x
  2. Step 2: Convert to fraction form
    7,822.86/11,735.79 = 2,556.45/x
  3. Step 3: Cross multiply
    7,822.86x = 11,735.79 × 2,556.45
  4. Step 4: Simplify right side
    7,822.86x = 30,001,915.32
  5. Step 5: Solve for x
    x = 30,001,915.32/7,822.86
  6. Step 6: Final answer
    x = 3,835.16

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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.