Home / 8,181.12-12,269.44-2,337.60

Finding the Fourth Proportional to 8,181.12, 12,269.44 and 2,337.60

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Solution

The fourth proportional to 8,181.12, 12,269.44 and 2,337.60 is: 3,505.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.12 : 12,269.44 = 2,337.60 : x
  2. Step 2: Convert to fraction form
    8,181.12/12,269.44 = 2,337.60/x
  3. Step 3: Cross multiply
    8,181.12x = 12,269.44 × 2,337.60
  4. Step 4: Simplify right side
    8,181.12x = 28,681,042.94
  5. Step 5: Solve for x
    x = 28,681,042.94/8,181.12
  6. Step 6: Final answer
    x = 3,505.76

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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.