Home / 8,127.43-12,194.67-2,866.20

Finding the Fourth Proportional to 8,127.43, 12,194.67 and 2,866.20

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Solution

The fourth proportional to 8,127.43, 12,194.67 and 2,866.20 is: 4,300.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.43 : 12,194.67 = 2,866.20 : x
  2. Step 2: Convert to fraction form
    8,127.43/12,194.67 = 2,866.20/x
  3. Step 3: Cross multiply
    8,127.43x = 12,194.67 × 2,866.20
  4. Step 4: Simplify right side
    8,127.43x = 34,952,380.64
  5. Step 5: Solve for x
    x = 34,952,380.64/8,127.43
  6. Step 6: Final answer
    x = 4,300.55

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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.