Home / 5,110.45-7,666.14-1,822.75

Finding the Fourth Proportional to 5,110.45, 7,666.14 and 1,822.75

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Solution

The fourth proportional to 5,110.45, 7,666.14 and 1,822.75 is: 2,734.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.45 : 7,666.14 = 1,822.75 : x
  2. Step 2: Convert to fraction form
    5,110.45/7,666.14 = 1,822.75/x
  3. Step 3: Cross multiply
    5,110.45x = 7,666.14 × 1,822.75
  4. Step 4: Simplify right side
    5,110.45x = 13,973,456.69
  5. Step 5: Solve for x
    x = 13,973,456.69/5,110.45
  6. Step 6: Final answer
    x = 2,734.29

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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.