Home / 4,429.92-6,646.39-2,784.54

Finding the Fourth Proportional to 4,429.92, 6,646.39 and 2,784.54

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Solution

The fourth proportional to 4,429.92, 6,646.39 and 2,784.54 is: 4,177.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.92 : 6,646.39 = 2,784.54 : x
  2. Step 2: Convert to fraction form
    4,429.92/6,646.39 = 2,784.54/x
  3. Step 3: Cross multiply
    4,429.92x = 6,646.39 × 2,784.54
  4. Step 4: Simplify right side
    4,429.92x = 18,507,131.85
  5. Step 5: Solve for x
    x = 18,507,131.85/4,429.92
  6. Step 6: Final answer
    x = 4,177.76

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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.