Home / 5,261.80-7,896.30-2,342.20

Finding the Fourth Proportional to 5,261.80, 7,896.30 and 2,342.20

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Solution

The fourth proportional to 5,261.80, 7,896.30 and 2,342.20 is: 3,514.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.80 : 7,896.30 = 2,342.20 : x
  2. Step 2: Convert to fraction form
    5,261.80/7,896.30 = 2,342.20/x
  3. Step 3: Cross multiply
    5,261.80x = 7,896.30 × 2,342.20
  4. Step 4: Simplify right side
    5,261.80x = 18,494,713.86
  5. Step 5: Solve for x
    x = 18,494,713.86/5,261.80
  6. Step 6: Final answer
    x = 3,514.90

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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.