Home / 4,219.79-6,331.97-1,756.31

Finding the Fourth Proportional to 4,219.79, 6,331.97 and 1,756.31

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Solution

The fourth proportional to 4,219.79, 6,331.97 and 1,756.31 is: 2,635.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.79 : 6,331.97 = 1,756.31 : x
  2. Step 2: Convert to fraction form
    4,219.79/6,331.97 = 1,756.31/x
  3. Step 3: Cross multiply
    4,219.79x = 6,331.97 × 1,756.31
  4. Step 4: Simplify right side
    4,219.79x = 11,120,902.23
  5. Step 5: Solve for x
    x = 11,120,902.23/4,219.79
  6. Step 6: Final answer
    x = 2,635.42

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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.