Home / 8,976.44-12,386.91-5,199.31

Finding the Fourth Proportional to 8,976.44, 12,386.91 and 5,199.31

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Solution

The fourth proportional to 8,976.44, 12,386.91 and 5,199.31 is: 7,174.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976.44 : 12,386.91 = 5,199.31 : x
  2. Step 2: Convert to fraction form
    8,976.44/12,386.91 = 5,199.31/x
  3. Step 3: Cross multiply
    8,976.44x = 12,386.91 × 5,199.31
  4. Step 4: Simplify right side
    8,976.44x = 64,403,336.25
  5. Step 5: Solve for x
    x = 64,403,336.25/8,976.44
  6. Step 6: Final answer
    x = 7,174.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.