Home / 4,086.65-6,131.70-2,771.89

Finding the Fourth Proportional to 4,086.65, 6,131.70 and 2,771.89

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Solution

The fourth proportional to 4,086.65, 6,131.70 and 2,771.89 is: 4,159.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.65 : 6,131.70 = 2,771.89 : x
  2. Step 2: Convert to fraction form
    4,086.65/6,131.70 = 2,771.89/x
  3. Step 3: Cross multiply
    4,086.65x = 6,131.70 × 2,771.89
  4. Step 4: Simplify right side
    4,086.65x = 16,996,382.58
  5. Step 5: Solve for x
    x = 16,996,382.58/4,086.65
  6. Step 6: Final answer
    x = 4,159.00

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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.