Home / 4,251.20-6,375.18-1,653.54

Finding the Fourth Proportional to 4,251.20, 6,375.18 and 1,653.54

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Solution

The fourth proportional to 4,251.20, 6,375.18 and 1,653.54 is: 2,479.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251.20 : 6,375.18 = 1,653.54 : x
  2. Step 2: Convert to fraction form
    4,251.20/6,375.18 = 1,653.54/x
  3. Step 3: Cross multiply
    4,251.20x = 6,375.18 × 1,653.54
  4. Step 4: Simplify right side
    4,251.20x = 10,541,615.14
  5. Step 5: Solve for x
    x = 10,541,615.14/4,251.20
  6. Step 6: Final answer
    x = 2,479.68

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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.