Home / 5,651.20-8,481.60-4,556.80

Finding the Fourth Proportional to 5,651.20, 8,481.60 and 4,556.80

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Solution

The fourth proportional to 5,651.20, 8,481.60 and 4,556.80 is: 6,839.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.20 : 8,481.60 = 4,556.80 : x
  2. Step 2: Convert to fraction form
    5,651.20/8,481.60 = 4,556.80/x
  3. Step 3: Cross multiply
    5,651.20x = 8,481.60 × 4,556.80
  4. Step 4: Simplify right side
    5,651.20x = 38,648,954.88
  5. Step 5: Solve for x
    x = 38,648,954.88/5,651.20
  6. Step 6: Final answer
    x = 6,839.07

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1.5x scale

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.