Home / 8,180.29-12,272.25-2,986.16

Finding the Fourth Proportional to 8,180.29, 12,272.25 and 2,986.16

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Solution

The fourth proportional to 8,180.29, 12,272.25 and 2,986.16 is: 4,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.29 : 12,272.25 = 2,986.16 : x
  2. Step 2: Convert to fraction form
    8,180.29/12,272.25 = 2,986.16/x
  3. Step 3: Cross multiply
    8,180.29x = 12,272.25 × 2,986.16
  4. Step 4: Simplify right side
    8,180.29x = 36,646,902.06
  5. Step 5: Solve for x
    x = 36,646,902.06/8,180.29
  6. Step 6: Final answer
    x = 4,479.90

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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.