Home / 4,185.36-6,279-1,411.95

Finding the Fourth Proportional to 4,185.36, 6,279 and 1,411.95

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Solution

The fourth proportional to 4,185.36, 6,279 and 1,411.95 is: 2,118.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.36 : 6,279 = 1,411.95 : x
  2. Step 2: Convert to fraction form
    4,185.36/6,279 = 1,411.95/x
  3. Step 3: Cross multiply
    4,185.36x = 6,279 × 1,411.95
  4. Step 4: Simplify right side
    4,185.36x = 8,865,634.05
  5. Step 5: Solve for x
    x = 8,865,634.05/4,185.36
  6. Step 6: Final answer
    x = 2,118.25

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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.