Home / 5,979.38-8,968.87-3,211.45

Finding the Fourth Proportional to 5,979.38, 8,968.87 and 3,211.45

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Solution

The fourth proportional to 5,979.38, 8,968.87 and 3,211.45 is: 4,817.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.38 : 8,968.87 = 3,211.45 : x
  2. Step 2: Convert to fraction form
    5,979.38/8,968.87 = 3,211.45/x
  3. Step 3: Cross multiply
    5,979.38x = 8,968.87 × 3,211.45
  4. Step 4: Simplify right side
    5,979.38x = 28,803,091.54
  5. Step 5: Solve for x
    x = 28,803,091.54/5,979.38
  6. Step 6: Final answer
    x = 4,817.07

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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.