Home / 4,770.64-7,161.24-2,826.64

Finding the Fourth Proportional to 4,770.64, 7,161.24 and 2,826.64

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Solution

The fourth proportional to 4,770.64, 7,161.24 and 2,826.64 is: 4,243.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.64 : 7,161.24 = 2,826.64 : x
  2. Step 2: Convert to fraction form
    4,770.64/7,161.24 = 2,826.64/x
  3. Step 3: Cross multiply
    4,770.64x = 7,161.24 × 2,826.64
  4. Step 4: Simplify right side
    4,770.64x = 20,242,247.43
  5. Step 5: Solve for x
    x = 20,242,247.43/4,770.64
  6. Step 6: Final answer
    x = 4,243.09

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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.