Home / 4,556.80-6,834.72-1,478.80

Finding the Fourth Proportional to 4,556.80, 6,834.72 and 1,478.80

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Solution

The fourth proportional to 4,556.80, 6,834.72 and 1,478.80 is: 2,218.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,556.80 : 6,834.72 = 1,478.80 : x
  2. Step 2: Convert to fraction form
    4,556.80/6,834.72 = 1,478.80/x
  3. Step 3: Cross multiply
    4,556.80x = 6,834.72 × 1,478.80
  4. Step 4: Simplify right side
    4,556.80x = 10,107,183.94
  5. Step 5: Solve for x
    x = 10,107,183.94/4,556.80
  6. Step 6: Final answer
    x = 2,218.04

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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.