Home / 5,268.64-7,270.75-2,910.86

Finding the Fourth Proportional to 5,268.64, 7,270.75 and 2,910.86

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Solution

The fourth proportional to 5,268.64, 7,270.75 and 2,910.86 is: 4,017.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.64 : 7,270.75 = 2,910.86 : x
  2. Step 2: Convert to fraction form
    5,268.64/7,270.75 = 2,910.86/x
  3. Step 3: Cross multiply
    5,268.64x = 7,270.75 × 2,910.86
  4. Step 4: Simplify right side
    5,268.64x = 21,164,135.35
  5. Step 5: Solve for x
    x = 21,164,135.35/5,268.64
  6. Step 6: Final answer
    x = 4,017.00

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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.