Home / 4,799.70-7,190.43-2,820.48

Finding the Fourth Proportional to 4,799.70, 7,190.43 and 2,820.48

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Solution

The fourth proportional to 4,799.70, 7,190.43 and 2,820.48 is: 4,225.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,799.70 : 7,190.43 = 2,820.48 : x
  2. Step 2: Convert to fraction form
    4,799.70/7,190.43 = 2,820.48/x
  3. Step 3: Cross multiply
    4,799.70x = 7,190.43 × 2,820.48
  4. Step 4: Simplify right side
    4,799.70x = 20,280,464.01
  5. Step 5: Solve for x
    x = 20,280,464.01/4,799.70
  6. Step 6: Final answer
    x = 4,225.36

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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.