Home / 7,084.18-10,625.82-2,153.86

Finding the Fourth Proportional to 7,084.18, 10,625.82 and 2,153.86

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Solution

The fourth proportional to 7,084.18, 10,625.82 and 2,153.86 is: 3,230.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,084.18 : 10,625.82 = 2,153.86 : x
  2. Step 2: Convert to fraction form
    7,084.18/10,625.82 = 2,153.86/x
  3. Step 3: Cross multiply
    7,084.18x = 10,625.82 × 2,153.86
  4. Step 4: Simplify right side
    7,084.18x = 22,886,553.79
  5. Step 5: Solve for x
    x = 22,886,553.79/7,084.18
  6. Step 6: Final answer
    x = 3,230.66

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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.