Home / 5,268.74-7,270.70-2,910.87

Finding the Fourth Proportional to 5,268.74, 7,270.70 and 2,910.87

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Solution

The fourth proportional to 5,268.74, 7,270.70 and 2,910.87 is: 4,016.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.74 : 7,270.70 = 2,910.87 : x
  2. Step 2: Convert to fraction form
    5,268.74/7,270.70 = 2,910.87/x
  3. Step 3: Cross multiply
    5,268.74x = 7,270.70 × 2,910.87
  4. Step 4: Simplify right side
    5,268.74x = 21,164,047.95
  5. Step 5: Solve for x
    x = 21,164,047.95/5,268.74
  6. Step 6: Final answer
    x = 4,016.91

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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.