Home / 8,078.26-11,147.88-4,541.80

Finding the Fourth Proportional to 8,078.26, 11,147.88 and 4,541.80

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Solution

The fourth proportional to 8,078.26, 11,147.88 and 4,541.80 is: 6,267.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078.26 : 11,147.88 = 4,541.80 : x
  2. Step 2: Convert to fraction form
    8,078.26/11,147.88 = 4,541.80/x
  3. Step 3: Cross multiply
    8,078.26x = 11,147.88 × 4,541.80
  4. Step 4: Simplify right side
    8,078.26x = 50,631,441.38
  5. Step 5: Solve for x
    x = 50,631,441.38/8,078.26
  6. Step 6: Final answer
    x = 6,267.62

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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.