Home / 5,558.37-7,669.11-3,319.26

Finding the Fourth Proportional to 5,558.37, 7,669.11 and 3,319.26

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Solution

The fourth proportional to 5,558.37, 7,669.11 and 3,319.26 is: 4,579.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.37 : 7,669.11 = 3,319.26 : x
  2. Step 2: Convert to fraction form
    5,558.37/7,669.11 = 3,319.26/x
  3. Step 3: Cross multiply
    5,558.37x = 7,669.11 × 3,319.26
  4. Step 4: Simplify right side
    5,558.37x = 25,455,770.06
  5. Step 5: Solve for x
    x = 25,455,770.06/5,558.37
  6. Step 6: Final answer
    x = 4,579.72

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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.