Home / 4,191.66-6,285.84-1,379.82

Finding the Fourth Proportional to 4,191.66, 6,285.84 and 1,379.82

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Solution

The fourth proportional to 4,191.66, 6,285.84 and 1,379.82 is: 2,069.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.66 : 6,285.84 = 1,379.82 : x
  2. Step 2: Convert to fraction form
    4,191.66/6,285.84 = 1,379.82/x
  3. Step 3: Cross multiply
    4,191.66x = 6,285.84 × 1,379.82
  4. Step 4: Simplify right side
    4,191.66x = 8,673,327.75
  5. Step 5: Solve for x
    x = 8,673,327.75/4,191.66
  6. Step 6: Final answer
    x = 2,069.19

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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.