Home / 4,227.25-6,343.76-1,491.25

Finding the Fourth Proportional to 4,227.25, 6,343.76 and 1,491.25

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Solution

The fourth proportional to 4,227.25, 6,343.76 and 1,491.25 is: 2,237.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,227.25 : 6,343.76 = 1,491.25 : x
  2. Step 2: Convert to fraction form
    4,227.25/6,343.76 = 1,491.25/x
  3. Step 3: Cross multiply
    4,227.25x = 6,343.76 × 1,491.25
  4. Step 4: Simplify right side
    4,227.25x = 9,460,124.64
  5. Step 5: Solve for x
    x = 9,460,124.64/4,227.25
  6. Step 6: Final answer
    x = 2,237.89

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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.