Home / 4,212.88-6,319.31-1,747.76

Finding the Fourth Proportional to 4,212.88, 6,319.31 and 1,747.76

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Solution

The fourth proportional to 4,212.88, 6,319.31 and 1,747.76 is: 2,621.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.88 : 6,319.31 = 1,747.76 : x
  2. Step 2: Convert to fraction form
    4,212.88/6,319.31 = 1,747.76/x
  3. Step 3: Cross multiply
    4,212.88x = 6,319.31 × 1,747.76
  4. Step 4: Simplify right side
    4,212.88x = 11,044,596.91
  5. Step 5: Solve for x
    x = 11,044,596.91/4,212.88
  6. Step 6: Final answer
    x = 2,621.63

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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.