Home / 4,294.09-6,435.42-2,811.43

Finding the Fourth Proportional to 4,294.09, 6,435.42 and 2,811.43

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Solution

The fourth proportional to 4,294.09, 6,435.42 and 2,811.43 is: 4,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,294.09 : 6,435.42 = 2,811.43 : x
  2. Step 2: Convert to fraction form
    4,294.09/6,435.42 = 2,811.43/x
  3. Step 3: Cross multiply
    4,294.09x = 6,435.42 × 2,811.43
  4. Step 4: Simplify right side
    4,294.09x = 18,092,732.85
  5. Step 5: Solve for x
    x = 18,092,732.85/4,294.09
  6. Step 6: Final answer
    x = 4,213.40

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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.