Home / 5,618.35-7,754.87-3,261.25

Finding the Fourth Proportional to 5,618.35, 7,754.87 and 3,261.25

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Solution

The fourth proportional to 5,618.35, 7,754.87 and 3,261.25 is: 4,501.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.35 : 7,754.87 = 3,261.25 : x
  2. Step 2: Convert to fraction form
    5,618.35/7,754.87 = 3,261.25/x
  3. Step 3: Cross multiply
    5,618.35x = 7,754.87 × 3,261.25
  4. Step 4: Simplify right side
    5,618.35x = 25,290,553.48
  5. Step 5: Solve for x
    x = 25,290,553.48/5,618.35
  6. Step 6: Final answer
    x = 4,501.42

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1.5x scale

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.