Home / 8,170.41-12,255.63-2,976.69

Finding the Fourth Proportional to 8,170.41, 12,255.63 and 2,976.69

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Solution

The fourth proportional to 8,170.41, 12,255.63 and 2,976.69 is: 4,465.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.41 : 12,255.63 = 2,976.69 : x
  2. Step 2: Convert to fraction form
    8,170.41/12,255.63 = 2,976.69/x
  3. Step 3: Cross multiply
    8,170.41x = 12,255.63 × 2,976.69
  4. Step 4: Simplify right side
    8,170.41x = 36,481,211.26
  5. Step 5: Solve for x
    x = 36,481,211.26/8,170.41
  6. Step 6: Final answer
    x = 4,465.04

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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.