Home / 8,170.54-12,255.57-4,861.49

Finding the Fourth Proportional to 8,170.54, 12,255.57 and 4,861.49

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Solution

The fourth proportional to 8,170.54, 12,255.57 and 4,861.49 is: 7,292.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.54 : 12,255.57 = 4,861.49 : x
  2. Step 2: Convert to fraction form
    8,170.54/12,255.57 = 4,861.49/x
  3. Step 3: Cross multiply
    8,170.54x = 12,255.57 × 4,861.49
  4. Step 4: Simplify right side
    8,170.54x = 59,580,269.72
  5. Step 5: Solve for x
    x = 59,580,269.72/8,170.54
  6. Step 6: Final answer
    x = 7,292.09

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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.