Home / 6,292-9,438.18-2,131.96

Finding the Fourth Proportional to 6,292, 9,438.18 and 2,131.96

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Solution

The fourth proportional to 6,292, 9,438.18 and 2,131.96 is: 3,198.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,292 : 9,438.18 = 2,131.96 : x
  2. Step 2: Convert to fraction form
    6,292/9,438.18 = 2,131.96/x
  3. Step 3: Cross multiply
    6,292x = 9,438.18 × 2,131.96
  4. Step 4: Simplify right side
    6,292x = 20,121,822.23
  5. Step 5: Solve for x
    x = 20,121,822.23/6,292
  6. Step 6: Final answer
    x = 3,198.00

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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.