Home / 4,188.54-6,282.80-1,721.62

Finding the Fourth Proportional to 4,188.54, 6,282.80 and 1,721.62

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Solution

The fourth proportional to 4,188.54, 6,282.80 and 1,721.62 is: 2,582.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.54 : 6,282.80 = 1,721.62 : x
  2. Step 2: Convert to fraction form
    4,188.54/6,282.80 = 1,721.62/x
  3. Step 3: Cross multiply
    4,188.54x = 6,282.80 × 1,721.62
  4. Step 4: Simplify right side
    4,188.54x = 10,816,594.14
  5. Step 5: Solve for x
    x = 10,816,594.14/4,188.54
  6. Step 6: Final answer
    x = 2,582.43

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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.