Home / 6,321.15-8,721.27-3,668.04

Finding the Fourth Proportional to 6,321.15, 8,721.27 and 3,668.04

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Solution

The fourth proportional to 6,321.15, 8,721.27 and 3,668.04 is: 5,060.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321.15 : 8,721.27 = 3,668.04 : x
  2. Step 2: Convert to fraction form
    6,321.15/8,721.27 = 3,668.04/x
  3. Step 3: Cross multiply
    6,321.15x = 8,721.27 × 3,668.04
  4. Step 4: Simplify right side
    6,321.15x = 31,989,967.21
  5. Step 5: Solve for x
    x = 31,989,967.21/6,321.15
  6. Step 6: Final answer
    x = 5,060.78

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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.