Home / 7,760.21-11,637.47-2,828.39

Finding the Fourth Proportional to 7,760.21, 11,637.47 and 2,828.39

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Solution

The fourth proportional to 7,760.21, 11,637.47 and 2,828.39 is: 4,241.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760.21 : 11,637.47 = 2,828.39 : x
  2. Step 2: Convert to fraction form
    7,760.21/11,637.47 = 2,828.39/x
  3. Step 3: Cross multiply
    7,760.21x = 11,637.47 × 2,828.39
  4. Step 4: Simplify right side
    7,760.21x = 32,915,252.66
  5. Step 5: Solve for x
    x = 32,915,252.66/7,760.21
  6. Step 6: Final answer
    x = 4,241.54

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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.