Home / 4,080.33-6,119.76-1,858.65

Finding the Fourth Proportional to 4,080.33, 6,119.76 and 1,858.65

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Solution

The fourth proportional to 4,080.33, 6,119.76 and 1,858.65 is: 2,787.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.33 : 6,119.76 = 1,858.65 : x
  2. Step 2: Convert to fraction form
    4,080.33/6,119.76 = 1,858.65/x
  3. Step 3: Cross multiply
    4,080.33x = 6,119.76 × 1,858.65
  4. Step 4: Simplify right side
    4,080.33x = 11,374,465.49
  5. Step 5: Solve for x
    x = 11,374,465.49/4,080.33
  6. Step 6: Final answer
    x = 2,787.63

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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.