Home / 5,558.67-7,669.80-3,200.36

Finding the Fourth Proportional to 5,558.67, 7,669.80 and 3,200.36

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Solution

The fourth proportional to 5,558.67, 7,669.80 and 3,200.36 is: 4,415.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.67 : 7,669.80 = 3,200.36 : x
  2. Step 2: Convert to fraction form
    5,558.67/7,669.80 = 3,200.36/x
  3. Step 3: Cross multiply
    5,558.67x = 7,669.80 × 3,200.36
  4. Step 4: Simplify right side
    5,558.67x = 24,546,082.78
  5. Step 5: Solve for x
    x = 24,546,082.78/5,558.67
  6. Step 6: Final answer
    x = 4,415.82

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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.