Home / 5,269.88-7,272.42-2,912.01

Finding the Fourth Proportional to 5,269.88, 7,272.42 and 2,912.01

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Solution

The fourth proportional to 5,269.88, 7,272.42 and 2,912.01 is: 4,018.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.88 : 7,272.42 = 2,912.01 : x
  2. Step 2: Convert to fraction form
    5,269.88/7,272.42 = 2,912.01/x
  3. Step 3: Cross multiply
    5,269.88x = 7,272.42 × 2,912.01
  4. Step 4: Simplify right side
    5,269.88x = 21,177,359.76
  5. Step 5: Solve for x
    x = 21,177,359.76/5,269.88
  6. Step 6: Final answer
    x = 4,018.57

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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.