Home / 3,989.26-5,984.96-3,553.50

Finding the Fourth Proportional to 3,989.26, 5,984.96 and 3,553.50

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Solution

The fourth proportional to 3,989.26, 5,984.96 and 3,553.50 is: 5,331.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989.26 : 5,984.96 = 3,553.50 : x
  2. Step 2: Convert to fraction form
    3,989.26/5,984.96 = 3,553.50/x
  3. Step 3: Cross multiply
    3,989.26x = 5,984.96 × 3,553.50
  4. Step 4: Simplify right side
    3,989.26x = 21,267,507.67
  5. Step 5: Solve for x
    x = 21,267,507.67/3,989.26
  6. Step 6: Final answer
    x = 5,331.19

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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.