Home / 8,784.23-13,171.49-2,939.27

Finding the Fourth Proportional to 8,784.23, 13,171.49 and 2,939.27

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Solution

The fourth proportional to 8,784.23, 13,171.49 and 2,939.27 is: 4,407.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.23 : 13,171.49 = 2,939.27 : x
  2. Step 2: Convert to fraction form
    8,784.23/13,171.49 = 2,939.27/x
  3. Step 3: Cross multiply
    8,784.23x = 13,171.49 × 2,939.27
  4. Step 4: Simplify right side
    8,784.23x = 38,714,550.72
  5. Step 5: Solve for x
    x = 38,714,550.72/8,784.23
  6. Step 6: Final answer
    x = 4,407.28

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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.