Home / 8,180.57-12,272.01-2,632.62

Finding the Fourth Proportional to 8,180.57, 12,272.01 and 2,632.62

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Solution

The fourth proportional to 8,180.57, 12,272.01 and 2,632.62 is: 3,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.57 : 12,272.01 = 2,632.62 : x
  2. Step 2: Convert to fraction form
    8,180.57/12,272.01 = 2,632.62/x
  3. Step 3: Cross multiply
    8,180.57x = 12,272.01 × 2,632.62
  4. Step 4: Simplify right side
    8,180.57x = 32,307,538.97
  5. Step 5: Solve for x
    x = 32,307,538.97/8,180.57
  6. Step 6: Final answer
    x = 3,949.30

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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.