Home / 5,102.80-7,637.79-2,634.26

Finding the Fourth Proportional to 5,102.80, 7,637.79 and 2,634.26

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Solution

The fourth proportional to 5,102.80, 7,637.79 and 2,634.26 is: 3,942.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.80 : 7,637.79 = 2,634.26 : x
  2. Step 2: Convert to fraction form
    5,102.80/7,637.79 = 2,634.26/x
  3. Step 3: Cross multiply
    5,102.80x = 7,637.79 × 2,634.26
  4. Step 4: Simplify right side
    5,102.80x = 20,119,924.69
  5. Step 5: Solve for x
    x = 20,119,924.69/5,102.80
  6. Step 6: Final answer
    x = 3,942.92

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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.