Home / 5,984.78-8,979.33-2,089.76

Finding the Fourth Proportional to 5,984.78, 8,979.33 and 2,089.76

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Solution

The fourth proportional to 5,984.78, 8,979.33 and 2,089.76 is: 3,135.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,984.78 : 8,979.33 = 2,089.76 : x
  2. Step 2: Convert to fraction form
    5,984.78/8,979.33 = 2,089.76/x
  3. Step 3: Cross multiply
    5,984.78x = 8,979.33 × 2,089.76
  4. Step 4: Simplify right side
    5,984.78x = 18,764,644.66
  5. Step 5: Solve for x
    x = 18,764,644.66/5,984.78
  6. Step 6: Final answer
    x = 3,135.39

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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.