Home / 5,110.25-7,665.82-1,412.48

Finding the Fourth Proportional to 5,110.25, 7,665.82 and 1,412.48

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Solution

The fourth proportional to 5,110.25, 7,665.82 and 1,412.48 is: 2,118.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.25 : 7,665.82 = 1,412.48 : x
  2. Step 2: Convert to fraction form
    5,110.25/7,665.82 = 1,412.48/x
  3. Step 3: Cross multiply
    5,110.25x = 7,665.82 × 1,412.48
  4. Step 4: Simplify right side
    5,110.25x = 10,827,833.07
  5. Step 5: Solve for x
    x = 10,827,833.07/5,110.25
  6. Step 6: Final answer
    x = 2,118.85

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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.