Home / 4,478.22-6,717.48-1,556.55

Finding the Fourth Proportional to 4,478.22, 6,717.48 and 1,556.55

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Solution

The fourth proportional to 4,478.22, 6,717.48 and 1,556.55 is: 2,334.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.22 : 6,717.48 = 1,556.55 : x
  2. Step 2: Convert to fraction form
    4,478.22/6,717.48 = 1,556.55/x
  3. Step 3: Cross multiply
    4,478.22x = 6,717.48 × 1,556.55
  4. Step 4: Simplify right side
    4,478.22x = 10,456,093.49
  5. Step 5: Solve for x
    x = 10,456,093.49/4,478.22
  6. Step 6: Final answer
    x = 2,334.88

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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.