Home / 4,996.16-7,489.92-1,916

Finding the Fourth Proportional to 4,996.16, 7,489.92 and 1,916

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Solution

The fourth proportional to 4,996.16, 7,489.92 and 1,916 is: 2,872.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,996.16 : 7,489.92 = 1,916 : x
  2. Step 2: Convert to fraction form
    4,996.16/7,489.92 = 1,916/x
  3. Step 3: Cross multiply
    4,996.16x = 7,489.92 × 1,916
  4. Step 4: Simplify right side
    4,996.16x = 14,350,686.72
  5. Step 5: Solve for x
    x = 14,350,686.72/4,996.16
  6. Step 6: Final answer
    x = 2,872.34

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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.