Home / 4,512.71-6,768.50-1,392.69

Finding the Fourth Proportional to 4,512.71, 6,768.50 and 1,392.69

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Solution

The fourth proportional to 4,512.71, 6,768.50 and 1,392.69 is: 2,088.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,512.71 : 6,768.50 = 1,392.69 : x
  2. Step 2: Convert to fraction form
    4,512.71/6,768.50 = 1,392.69/x
  3. Step 3: Cross multiply
    4,512.71x = 6,768.50 × 1,392.69
  4. Step 4: Simplify right side
    4,512.71x = 9,426,440.68
  5. Step 5: Solve for x
    x = 9,426,440.68/4,512.71
  6. Step 6: Final answer
    x = 2,088.86

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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.