Home / 4,270.86-6,392.93-2,767.86

Finding the Fourth Proportional to 4,270.86, 6,392.93 and 2,767.86

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Solution

The fourth proportional to 4,270.86, 6,392.93 and 2,767.86 is: 4,143.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.86 : 6,392.93 = 2,767.86 : x
  2. Step 2: Convert to fraction form
    4,270.86/6,392.93 = 2,767.86/x
  3. Step 3: Cross multiply
    4,270.86x = 6,392.93 × 2,767.86
  4. Step 4: Simplify right side
    4,270.86x = 17,694,721.39
  5. Step 5: Solve for x
    x = 17,694,721.39/4,270.86
  6. Step 6: Final answer
    x = 4,143.13

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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.