Home / 8,116.90-12,173.96-2,272.16

Finding the Fourth Proportional to 8,116.90, 12,173.96 and 2,272.16

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Solution

The fourth proportional to 8,116.90, 12,173.96 and 2,272.16 is: 3,407.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.90 : 12,173.96 = 2,272.16 : x
  2. Step 2: Convert to fraction form
    8,116.90/12,173.96 = 2,272.16/x
  3. Step 3: Cross multiply
    8,116.90x = 12,173.96 × 2,272.16
  4. Step 4: Simplify right side
    8,116.90x = 27,661,184.95
  5. Step 5: Solve for x
    x = 27,661,184.95/8,116.90
  6. Step 6: Final answer
    x = 3,407.85

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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.