Home / 5,234-7,852.14-2,156

Finding the Fourth Proportional to 5,234, 7,852.14 and 2,156

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Solution

The fourth proportional to 5,234, 7,852.14 and 2,156 is: 3,234.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234 : 7,852.14 = 2,156 : x
  2. Step 2: Convert to fraction form
    5,234/7,852.14 = 2,156/x
  3. Step 3: Cross multiply
    5,234x = 7,852.14 × 2,156
  4. Step 4: Simplify right side
    5,234x = 16,929,213.84
  5. Step 5: Solve for x
    x = 16,929,213.84/5,234
  6. Step 6: Final answer
    x = 3,234.47

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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.