Home / 8,176.20-11,289.52-6,284.80

Finding the Fourth Proportional to 8,176.20, 11,289.52 and 6,284.80

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Solution

The fourth proportional to 8,176.20, 11,289.52 and 6,284.80 is: 8,677.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.20 : 11,289.52 = 6,284.80 : x
  2. Step 2: Convert to fraction form
    8,176.20/11,289.52 = 6,284.80/x
  3. Step 3: Cross multiply
    8,176.20x = 11,289.52 × 6,284.80
  4. Step 4: Simplify right side
    8,176.20x = 70,952,375.30
  5. Step 5: Solve for x
    x = 70,952,375.30/8,176.20
  6. Step 6: Final answer
    x = 8,677.92

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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.