Home / 5,553.21-7,659.86-3,313.37

Finding the Fourth Proportional to 5,553.21, 7,659.86 and 3,313.37

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Solution

The fourth proportional to 5,553.21, 7,659.86 and 3,313.37 is: 4,570.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.21 : 7,659.86 = 3,313.37 : x
  2. Step 2: Convert to fraction form
    5,553.21/7,659.86 = 3,313.37/x
  3. Step 3: Cross multiply
    5,553.21x = 7,659.86 × 3,313.37
  4. Step 4: Simplify right side
    5,553.21x = 25,379,895.46
  5. Step 5: Solve for x
    x = 25,379,895.46/5,553.21
  6. Step 6: Final answer
    x = 4,570.31

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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.