Home / 4,512.20-6,768.92-1,392.46

Finding the Fourth Proportional to 4,512.20, 6,768.92 and 1,392.46

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Solution

The fourth proportional to 4,512.20, 6,768.92 and 1,392.46 is: 2,088.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,512.20 : 6,768.92 = 1,392.46 : x
  2. Step 2: Convert to fraction form
    4,512.20/6,768.92 = 1,392.46/x
  3. Step 3: Cross multiply
    4,512.20x = 6,768.92 × 1,392.46
  4. Step 4: Simplify right side
    4,512.20x = 9,425,436.90
  5. Step 5: Solve for x
    x = 9,425,436.90/4,512.20
  6. Step 6: Final answer
    x = 2,088.88

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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.