Home / 4,265.87-6,399.35-1,668.47

Finding the Fourth Proportional to 4,265.87, 6,399.35 and 1,668.47

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Solution

The fourth proportional to 4,265.87, 6,399.35 and 1,668.47 is: 2,502.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,265.87 : 6,399.35 = 1,668.47 : x
  2. Step 2: Convert to fraction form
    4,265.87/6,399.35 = 1,668.47/x
  3. Step 3: Cross multiply
    4,265.87x = 6,399.35 × 1,668.47
  4. Step 4: Simplify right side
    4,265.87x = 10,677,115.15
  5. Step 5: Solve for x
    x = 10,677,115.15/4,265.87
  6. Step 6: Final answer
    x = 2,502.92

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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.