Home / 8,428.44-12,644.28-3,233.91

Finding the Fourth Proportional to 8,428.44, 12,644.28 and 3,233.91

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Solution

The fourth proportional to 8,428.44, 12,644.28 and 3,233.91 is: 4,851.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428.44 : 12,644.28 = 3,233.91 : x
  2. Step 2: Convert to fraction form
    8,428.44/12,644.28 = 3,233.91/x
  3. Step 3: Cross multiply
    8,428.44x = 12,644.28 × 3,233.91
  4. Step 4: Simplify right side
    8,428.44x = 40,890,400.31
  5. Step 5: Solve for x
    x = 40,890,400.31/8,428.44
  6. Step 6: Final answer
    x = 4,851.48

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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.