Home / 4,225.92-6,339.60-1,628.64

Finding the Fourth Proportional to 4,225.92, 6,339.60 and 1,628.64

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Solution

The fourth proportional to 4,225.92, 6,339.60 and 1,628.64 is: 2,443.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,225.92 : 6,339.60 = 1,628.64 : x
  2. Step 2: Convert to fraction form
    4,225.92/6,339.60 = 1,628.64/x
  3. Step 3: Cross multiply
    4,225.92x = 6,339.60 × 1,628.64
  4. Step 4: Simplify right side
    4,225.92x = 10,324,926.14
  5. Step 5: Solve for x
    x = 10,324,926.14/4,225.92
  6. Step 6: Final answer
    x = 2,443.24

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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.