Home / 4,409.30-6,079.84-2,813.82

Finding the Fourth Proportional to 4,409.30, 6,079.84 and 2,813.82

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Solution

The fourth proportional to 4,409.30, 6,079.84 and 2,813.82 is: 3,879.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,409.30 : 6,079.84 = 2,813.82 : x
  2. Step 2: Convert to fraction form
    4,409.30/6,079.84 = 2,813.82/x
  3. Step 3: Cross multiply
    4,409.30x = 6,079.84 × 2,813.82
  4. Step 4: Simplify right side
    4,409.30x = 17,107,575.39
  5. Step 5: Solve for x
    x = 17,107,575.39/4,409.30
  6. Step 6: Final answer
    x = 3,879.88

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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.