Home / 4,425.45-6,636.65-1,961.99

Finding the Fourth Proportional to 4,425.45, 6,636.65 and 1,961.99

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Solution

The fourth proportional to 4,425.45, 6,636.65 and 1,961.99 is: 2,942.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,425.45 : 6,636.65 = 1,961.99 : x
  2. Step 2: Convert to fraction form
    4,425.45/6,636.65 = 1,961.99/x
  3. Step 3: Cross multiply
    4,425.45x = 6,636.65 × 1,961.99
  4. Step 4: Simplify right side
    4,425.45x = 13,021,047.72
  5. Step 5: Solve for x
    x = 13,021,047.72/4,425.45
  6. Step 6: Final answer
    x = 2,942.31

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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.