Home / 8,160.50-12,241.62-2,611.86

Finding the Fourth Proportional to 8,160.50, 12,241.62 and 2,611.86

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Solution

The fourth proportional to 8,160.50, 12,241.62 and 2,611.86 is: 3,918.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.50 : 12,241.62 = 2,611.86 : x
  2. Step 2: Convert to fraction form
    8,160.50/12,241.62 = 2,611.86/x
  3. Step 3: Cross multiply
    8,160.50x = 12,241.62 × 2,611.86
  4. Step 4: Simplify right side
    8,160.50x = 31,973,397.61
  5. Step 5: Solve for x
    x = 31,973,397.61/8,160.50
  6. Step 6: Final answer
    x = 3,918.07

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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.