Home / 4,743.73-7,116.76-2,145.97

Finding the Fourth Proportional to 4,743.73, 7,116.76 and 2,145.97

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Solution

The fourth proportional to 4,743.73, 7,116.76 and 2,145.97 is: 3,219.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.73 : 7,116.76 = 2,145.97 : x
  2. Step 2: Convert to fraction form
    4,743.73/7,116.76 = 2,145.97/x
  3. Step 3: Cross multiply
    4,743.73x = 7,116.76 × 2,145.97
  4. Step 4: Simplify right side
    4,743.73x = 15,272,353.46
  5. Step 5: Solve for x
    x = 15,272,353.46/4,743.73
  6. Step 6: Final answer
    x = 3,219.48

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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.