Home / 4,816.60-7,221.30-2,627.80

Finding the Fourth Proportional to 4,816.60, 7,221.30 and 2,627.80

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Solution

The fourth proportional to 4,816.60, 7,221.30 and 2,627.80 is: 3,939.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,816.60 : 7,221.30 = 2,627.80 : x
  2. Step 2: Convert to fraction form
    4,816.60/7,221.30 = 2,627.80/x
  3. Step 3: Cross multiply
    4,816.60x = 7,221.30 × 2,627.80
  4. Step 4: Simplify right side
    4,816.60x = 18,976,132.14
  5. Step 5: Solve for x
    x = 18,976,132.14/4,816.60
  6. Step 6: Final answer
    x = 3,939.74

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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.