Home / 8,830.72-13,226.60-6,494.80

Finding the Fourth Proportional to 8,830.72, 13,226.60 and 6,494.80

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Solution

The fourth proportional to 8,830.72, 13,226.60 and 6,494.80 is: 9,727.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,830.72 : 13,226.60 = 6,494.80 : x
  2. Step 2: Convert to fraction form
    8,830.72/13,226.60 = 6,494.80/x
  3. Step 3: Cross multiply
    8,830.72x = 13,226.60 × 6,494.80
  4. Step 4: Simplify right side
    8,830.72x = 85,904,121.68
  5. Step 5: Solve for x
    x = 85,904,121.68/8,830.72
  6. Step 6: Final answer
    x = 9,727.87

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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.