Home / 8,776.20-13,164.30-6,817.80

Finding the Fourth Proportional to 8,776.20, 13,164.30 and 6,817.80

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Solution

The fourth proportional to 8,776.20, 13,164.30 and 6,817.80 is: 10,226.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776.20 : 13,164.30 = 6,817.80 : x
  2. Step 2: Convert to fraction form
    8,776.20/13,164.30 = 6,817.80/x
  3. Step 3: Cross multiply
    8,776.20x = 13,164.30 × 6,817.80
  4. Step 4: Simplify right side
    8,776.20x = 89,751,564.54
  5. Step 5: Solve for x
    x = 89,751,564.54/8,776.20
  6. Step 6: Final answer
    x = 10,226.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.