Home / 5,163-7,748.62-1,877.04

Finding the Fourth Proportional to 5,163, 7,748.62 and 1,877.04

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Solution

The fourth proportional to 5,163, 7,748.62 and 1,877.04 is: 2,817.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163 : 7,748.62 = 1,877.04 : x
  2. Step 2: Convert to fraction form
    5,163/7,748.62 = 1,877.04/x
  3. Step 3: Cross multiply
    5,163x = 7,748.62 × 1,877.04
  4. Step 4: Simplify right side
    5,163x = 14,544,469.68
  5. Step 5: Solve for x
    x = 14,544,469.68/5,163
  6. Step 6: Final answer
    x = 2,817.06

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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.