Home / 8,225.31-12,343.43-3,843.11

Finding the Fourth Proportional to 8,225.31, 12,343.43 and 3,843.11

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Solution

The fourth proportional to 8,225.31, 12,343.43 and 3,843.11 is: 5,767.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,225.31 : 12,343.43 = 3,843.11 : x
  2. Step 2: Convert to fraction form
    8,225.31/12,343.43 = 3,843.11/x
  3. Step 3: Cross multiply
    8,225.31x = 12,343.43 × 3,843.11
  4. Step 4: Simplify right side
    8,225.31x = 47,437,078.33
  5. Step 5: Solve for x
    x = 47,437,078.33/8,225.31
  6. Step 6: Final answer
    x = 5,767.21

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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.