Home / 6,619.98-9,914.85-3,159.66

Finding the Fourth Proportional to 6,619.98, 9,914.85 and 3,159.66

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Solution

The fourth proportional to 6,619.98, 9,914.85 and 3,159.66 is: 4,732.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.98 : 9,914.85 = 3,159.66 : x
  2. Step 2: Convert to fraction form
    6,619.98/9,914.85 = 3,159.66/x
  3. Step 3: Cross multiply
    6,619.98x = 9,914.85 × 3,159.66
  4. Step 4: Simplify right side
    6,619.98x = 31,327,554.95
  5. Step 5: Solve for x
    x = 31,327,554.95/6,619.98
  6. Step 6: Final answer
    x = 4,732.27

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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.