Home / 6,391.02-9,588.90-2,879.96

Finding the Fourth Proportional to 6,391.02, 9,588.90 and 2,879.96

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Solution

The fourth proportional to 6,391.02, 9,588.90 and 2,879.96 is: 4,321.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391.02 : 9,588.90 = 2,879.96 : x
  2. Step 2: Convert to fraction form
    6,391.02/9,588.90 = 2,879.96/x
  3. Step 3: Cross multiply
    6,391.02x = 9,588.90 × 2,879.96
  4. Step 4: Simplify right side
    6,391.02x = 27,615,648.44
  5. Step 5: Solve for x
    x = 27,615,648.44/6,391.02
  6. Step 6: Final answer
    x = 4,321.01

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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.