Home / 4,115.70-6,169.89-1,927.08

Finding the Fourth Proportional to 4,115.70, 6,169.89 and 1,927.08

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Solution

The fourth proportional to 4,115.70, 6,169.89 and 1,927.08 is: 2,888.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.70 : 6,169.89 = 1,927.08 : x
  2. Step 2: Convert to fraction form
    4,115.70/6,169.89 = 1,927.08/x
  3. Step 3: Cross multiply
    4,115.70x = 6,169.89 × 1,927.08
  4. Step 4: Simplify right side
    4,115.70x = 11,889,871.62
  5. Step 5: Solve for x
    x = 11,889,871.62/4,115.70
  6. Step 6: Final answer
    x = 2,888.91

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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.