Home / 6,217.25-8,580.87-3,979.04

Finding the Fourth Proportional to 6,217.25, 8,580.87 and 3,979.04

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Solution

The fourth proportional to 6,217.25, 8,580.87 and 3,979.04 is: 5,491.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217.25 : 8,580.87 = 3,979.04 : x
  2. Step 2: Convert to fraction form
    6,217.25/8,580.87 = 3,979.04/x
  3. Step 3: Cross multiply
    6,217.25x = 8,580.87 × 3,979.04
  4. Step 4: Simplify right side
    6,217.25x = 34,143,582.06
  5. Step 5: Solve for x
    x = 34,143,582.06/6,217.25
  6. Step 6: Final answer
    x = 5,491.75

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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.