Home / 4,830.20-7,245.90-2,057.26

Finding the Fourth Proportional to 4,830.20, 7,245.90 and 2,057.26

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Solution

The fourth proportional to 4,830.20, 7,245.90 and 2,057.26 is: 3,086.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.20 : 7,245.90 = 2,057.26 : x
  2. Step 2: Convert to fraction form
    4,830.20/7,245.90 = 2,057.26/x
  3. Step 3: Cross multiply
    4,830.20x = 7,245.90 × 2,057.26
  4. Step 4: Simplify right side
    4,830.20x = 14,906,700.23
  5. Step 5: Solve for x
    x = 14,906,700.23/4,830.20
  6. Step 6: Final answer
    x = 3,086.15

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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.