Home / 4,265.68-6,399.60-1,668.28

Finding the Fourth Proportional to 4,265.68, 6,399.60 and 1,668.28

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Solution

The fourth proportional to 4,265.68, 6,399.60 and 1,668.28 is: 2,502.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,265.68 : 6,399.60 = 1,668.28 : x
  2. Step 2: Convert to fraction form
    4,265.68/6,399.60 = 1,668.28/x
  3. Step 3: Cross multiply
    4,265.68x = 6,399.60 × 1,668.28
  4. Step 4: Simplify right side
    4,265.68x = 10,676,324.69
  5. Step 5: Solve for x
    x = 10,676,324.69/4,265.68
  6. Step 6: Final answer
    x = 2,502.84

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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.