Home / 8,407.35-12,611.07-2,861.94

Finding the Fourth Proportional to 8,407.35, 12,611.07 and 2,861.94

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Solution

The fourth proportional to 8,407.35, 12,611.07 and 2,861.94 is: 4,292.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,407.35 : 12,611.07 = 2,861.94 : x
  2. Step 2: Convert to fraction form
    8,407.35/12,611.07 = 2,861.94/x
  3. Step 3: Cross multiply
    8,407.35x = 12,611.07 × 2,861.94
  4. Step 4: Simplify right side
    8,407.35x = 36,092,125.68
  5. Step 5: Solve for x
    x = 36,092,125.68/8,407.35
  6. Step 6: Final answer
    x = 4,292.93

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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.