Home / 7,408.55-11,091.87-5,920.02

Finding the Fourth Proportional to 7,408.55, 11,091.87 and 5,920.02

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Solution

The fourth proportional to 7,408.55, 11,091.87 and 5,920.02 is: 8,863.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.55 : 11,091.87 = 5,920.02 : x
  2. Step 2: Convert to fraction form
    7,408.55/11,091.87 = 5,920.02/x
  3. Step 3: Cross multiply
    7,408.55x = 11,091.87 × 5,920.02
  4. Step 4: Simplify right side
    7,408.55x = 65,664,092.24
  5. Step 5: Solve for x
    x = 65,664,092.24/7,408.55
  6. Step 6: Final answer
    x = 8,863.29

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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.