Home / 4,257.44-6,376.80-3,433.76

Finding the Fourth Proportional to 4,257.44, 6,376.80 and 3,433.76

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Solution

The fourth proportional to 4,257.44, 6,376.80 and 3,433.76 is: 5,143.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.44 : 6,376.80 = 3,433.76 : x
  2. Step 2: Convert to fraction form
    4,257.44/6,376.80 = 3,433.76/x
  3. Step 3: Cross multiply
    4,257.44x = 6,376.80 × 3,433.76
  4. Step 4: Simplify right side
    4,257.44x = 21,896,400.77
  5. Step 5: Solve for x
    x = 21,896,400.77/4,257.44
  6. Step 6: Final answer
    x = 5,143.09

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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.