Home / 8,104.90-12,156.31-2,182.23

Finding the Fourth Proportional to 8,104.90, 12,156.31 and 2,182.23

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Solution

The fourth proportional to 8,104.90, 12,156.31 and 2,182.23 is: 3,273.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.90 : 12,156.31 = 2,182.23 : x
  2. Step 2: Convert to fraction form
    8,104.90/12,156.31 = 2,182.23/x
  3. Step 3: Cross multiply
    8,104.90x = 12,156.31 × 2,182.23
  4. Step 4: Simplify right side
    8,104.90x = 26,527,864.37
  5. Step 5: Solve for x
    x = 26,527,864.37/8,104.90
  6. Step 6: Final answer
    x = 3,273.06

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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.