Home / 4,245.82-6,367.50-1,780.57

Finding the Fourth Proportional to 4,245.82, 6,367.50 and 1,780.57

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Solution

The fourth proportional to 4,245.82, 6,367.50 and 1,780.57 is: 2,670.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.82 : 6,367.50 = 1,780.57 : x
  2. Step 2: Convert to fraction form
    4,245.82/6,367.50 = 1,780.57/x
  3. Step 3: Cross multiply
    4,245.82x = 6,367.50 × 1,780.57
  4. Step 4: Simplify right side
    4,245.82x = 11,337,779.48
  5. Step 5: Solve for x
    x = 11,337,779.48/4,245.82
  6. Step 6: Final answer
    x = 2,670.34

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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.