Home / 5,561.76-8,342.19-3,369.90

Finding the Fourth Proportional to 5,561.76, 8,342.19 and 3,369.90

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Solution

The fourth proportional to 5,561.76, 8,342.19 and 3,369.90 is: 5,054.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.76 : 8,342.19 = 3,369.90 : x
  2. Step 2: Convert to fraction form
    5,561.76/8,342.19 = 3,369.90/x
  3. Step 3: Cross multiply
    5,561.76x = 8,342.19 × 3,369.90
  4. Step 4: Simplify right side
    5,561.76x = 28,112,346.08
  5. Step 5: Solve for x
    x = 28,112,346.08/5,561.76
  6. Step 6: Final answer
    x = 5,054.58

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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.