Home / 4,211.97-6,320.21-1,874.31

Finding the Fourth Proportional to 4,211.97, 6,320.21 and 1,874.31

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Solution

The fourth proportional to 4,211.97, 6,320.21 and 1,874.31 is: 2,812.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.97 : 6,320.21 = 1,874.31 : x
  2. Step 2: Convert to fraction form
    4,211.97/6,320.21 = 1,874.31/x
  3. Step 3: Cross multiply
    4,211.97x = 6,320.21 × 1,874.31
  4. Step 4: Simplify right side
    4,211.97x = 11,846,032.81
  5. Step 5: Solve for x
    x = 11,846,032.81/4,211.97
  6. Step 6: Final answer
    x = 2,812.47

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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.