Home / 4,310.85-6,460.86-1,842.78

Finding the Fourth Proportional to 4,310.85, 6,460.86 and 1,842.78

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Solution

The fourth proportional to 4,310.85, 6,460.86 and 1,842.78 is: 2,761.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,310.85 : 6,460.86 = 1,842.78 : x
  2. Step 2: Convert to fraction form
    4,310.85/6,460.86 = 1,842.78/x
  3. Step 3: Cross multiply
    4,310.85x = 6,460.86 × 1,842.78
  4. Step 4: Simplify right side
    4,310.85x = 11,905,943.59
  5. Step 5: Solve for x
    x = 11,905,943.59/4,310.85
  6. Step 6: Final answer
    x = 2,761.86

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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.