Home / 5,259.89-7,884.96-2,760.56

Finding the Fourth Proportional to 5,259.89, 7,884.96 and 2,760.56

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Solution

The fourth proportional to 5,259.89, 7,884.96 and 2,760.56 is: 4,138.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.89 : 7,884.96 = 2,760.56 : x
  2. Step 2: Convert to fraction form
    5,259.89/7,884.96 = 2,760.56/x
  3. Step 3: Cross multiply
    5,259.89x = 7,884.96 × 2,760.56
  4. Step 4: Simplify right side
    5,259.89x = 21,766,905.18
  5. Step 5: Solve for x
    x = 21,766,905.18/5,259.89
  6. Step 6: Final answer
    x = 4,138.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.