Home / 5,621.73-7,757.55-3,264.05

Finding the Fourth Proportional to 5,621.73, 7,757.55 and 3,264.05

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Solution

The fourth proportional to 5,621.73, 7,757.55 and 3,264.05 is: 4,504.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.73 : 7,757.55 = 3,264.05 : x
  2. Step 2: Convert to fraction form
    5,621.73/7,757.55 = 3,264.05/x
  3. Step 3: Cross multiply
    5,621.73x = 7,757.55 × 3,264.05
  4. Step 4: Simplify right side
    5,621.73x = 25,320,992.29
  5. Step 5: Solve for x
    x = 25,320,992.29/5,621.73
  6. Step 6: Final answer
    x = 4,504.13

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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.