Home / 5,133.96-7,084.69-2,895.75

Finding the Fourth Proportional to 5,133.96, 7,084.69 and 2,895.75

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Solution

The fourth proportional to 5,133.96, 7,084.69 and 2,895.75 is: 3,996.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.96 : 7,084.69 = 2,895.75 : x
  2. Step 2: Convert to fraction form
    5,133.96/7,084.69 = 2,895.75/x
  3. Step 3: Cross multiply
    5,133.96x = 7,084.69 × 2,895.75
  4. Step 4: Simplify right side
    5,133.96x = 20,515,491.97
  5. Step 5: Solve for x
    x = 20,515,491.97/5,133.96
  6. Step 6: Final answer
    x = 3,996.04

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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.