Home / 5,979.78-8,965.34-3,055.86

Finding the Fourth Proportional to 5,979.78, 8,965.34 and 3,055.86

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Solution

The fourth proportional to 5,979.78, 8,965.34 and 3,055.86 is: 4,581.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.78 : 8,965.34 = 3,055.86 : x
  2. Step 2: Convert to fraction form
    5,979.78/8,965.34 = 3,055.86/x
  3. Step 3: Cross multiply
    5,979.78x = 8,965.34 × 3,055.86
  4. Step 4: Simplify right side
    5,979.78x = 27,396,823.89
  5. Step 5: Solve for x
    x = 27,396,823.89/5,979.78
  6. Step 6: Final answer
    x = 4,581.58

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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.