Home / 4,260.61-6,390.18-1,627.44

Finding the Fourth Proportional to 4,260.61, 6,390.18 and 1,627.44

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Solution

The fourth proportional to 4,260.61, 6,390.18 and 1,627.44 is: 2,440.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.61 : 6,390.18 = 1,627.44 : x
  2. Step 2: Convert to fraction form
    4,260.61/6,390.18 = 1,627.44/x
  3. Step 3: Cross multiply
    4,260.61x = 6,390.18 × 1,627.44
  4. Step 4: Simplify right side
    4,260.61x = 10,399,634.54
  5. Step 5: Solve for x
    x = 10,399,634.54/4,260.61
  6. Step 6: Final answer
    x = 2,440.88

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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.