Home / 8,644.51-12,968.39-3,450.43

Finding the Fourth Proportional to 8,644.51, 12,968.39 and 3,450.43

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Solution

The fourth proportional to 8,644.51, 12,968.39 and 3,450.43 is: 5,176.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,644.51 : 12,968.39 = 3,450.43 : x
  2. Step 2: Convert to fraction form
    8,644.51/12,968.39 = 3,450.43/x
  3. Step 3: Cross multiply
    8,644.51x = 12,968.39 × 3,450.43
  4. Step 4: Simplify right side
    8,644.51x = 44,746,521.91
  5. Step 5: Solve for x
    x = 44,746,521.91/8,644.51
  6. Step 6: Final answer
    x = 5,176.29

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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.