Home / 6,283.11-8,668.80-3,629.55

Finding the Fourth Proportional to 6,283.11, 8,668.80 and 3,629.55

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Solution

The fourth proportional to 6,283.11, 8,668.80 and 3,629.55 is: 5,007.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,283.11 : 8,668.80 = 3,629.55 : x
  2. Step 2: Convert to fraction form
    6,283.11/8,668.80 = 3,629.55/x
  3. Step 3: Cross multiply
    6,283.11x = 8,668.80 × 3,629.55
  4. Step 4: Simplify right side
    6,283.11x = 31,463,843.04
  5. Step 5: Solve for x
    x = 31,463,843.04/6,283.11
  6. Step 6: Final answer
    x = 5,007.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.