Home / 6,280.64-8,668.92-3,629.61

Finding the Fourth Proportional to 6,280.64, 8,668.92 and 3,629.61

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Solution

The fourth proportional to 6,280.64, 8,668.92 and 3,629.61 is: 5,009.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.64 : 8,668.92 = 3,629.61 : x
  2. Step 2: Convert to fraction form
    6,280.64/8,668.92 = 3,629.61/x
  3. Step 3: Cross multiply
    6,280.64x = 8,668.92 × 3,629.61
  4. Step 4: Simplify right side
    6,280.64x = 31,464,812.33
  5. Step 5: Solve for x
    x = 31,464,812.33/6,280.64
  6. Step 6: Final answer
    x = 5,009.81

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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.