Home / 8,186.59-12,271.97-2,636.16

Finding the Fourth Proportional to 8,186.59, 12,271.97 and 2,636.16

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Solution

The fourth proportional to 8,186.59, 12,271.97 and 2,636.16 is: 3,951.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186.59 : 12,271.97 = 2,636.16 : x
  2. Step 2: Convert to fraction form
    8,186.59/12,271.97 = 2,636.16/x
  3. Step 3: Cross multiply
    8,186.59x = 12,271.97 × 2,636.16
  4. Step 4: Simplify right side
    8,186.59x = 32,350,863.25
  5. Step 5: Solve for x
    x = 32,350,863.25/8,186.59
  6. Step 6: Final answer
    x = 3,951.69

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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.