Home / 4,185.39-6,280.52-1,876.89

Finding the Fourth Proportional to 4,185.39, 6,280.52 and 1,876.89

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Solution

The fourth proportional to 4,185.39, 6,280.52 and 1,876.89 is: 2,816.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.39 : 6,280.52 = 1,876.89 : x
  2. Step 2: Convert to fraction form
    4,185.39/6,280.52 = 1,876.89/x
  3. Step 3: Cross multiply
    4,185.39x = 6,280.52 × 1,876.89
  4. Step 4: Simplify right side
    4,185.39x = 11,787,865.58
  5. Step 5: Solve for x
    x = 11,787,865.58/4,185.39
  6. Step 6: Final answer
    x = 2,816.43

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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.