Home / 5,133.11-7,083.69-2,775.25

Finding the Fourth Proportional to 5,133.11, 7,083.69 and 2,775.25

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Solution

The fourth proportional to 5,133.11, 7,083.69 and 2,775.25 is: 3,829.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.11 : 7,083.69 = 2,775.25 : x
  2. Step 2: Convert to fraction form
    5,133.11/7,083.69 = 2,775.25/x
  3. Step 3: Cross multiply
    5,133.11x = 7,083.69 × 2,775.25
  4. Step 4: Simplify right side
    5,133.11x = 19,659,010.67
  5. Step 5: Solve for x
    x = 19,659,010.67/5,133.11
  6. Step 6: Final answer
    x = 3,829.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.