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Finding the Fourth Proportional to 5,225.88, 7,838 and 1,714.84

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Solution

The fourth proportional to 5,225.88, 7,838 and 1,714.84 is: 2,571.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.88 : 7,838 = 1,714.84 : x
  2. Step 2: Convert to fraction form
    5,225.88/7,838 = 1,714.84/x
  3. Step 3: Cross multiply
    5,225.88x = 7,838 × 1,714.84
  4. Step 4: Simplify right side
    5,225.88x = 13,440,915.92
  5. Step 5: Solve for x
    x = 13,440,915.92/5,225.88
  6. Step 6: Final answer
    x = 2,571.99

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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.