Home / 8,180.73-12,271.91-2,632.64

Finding the Fourth Proportional to 8,180.73, 12,271.91 and 2,632.64

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Solution

The fourth proportional to 8,180.73, 12,271.91 and 2,632.64 is: 3,949.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.73 : 12,271.91 = 2,632.64 : x
  2. Step 2: Convert to fraction form
    8,180.73/12,271.91 = 2,632.64/x
  3. Step 3: Cross multiply
    8,180.73x = 12,271.91 × 2,632.64
  4. Step 4: Simplify right side
    8,180.73x = 32,307,446.62
  5. Step 5: Solve for x
    x = 32,307,446.62/8,180.73
  6. Step 6: Final answer
    x = 3,949.21

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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.