Home / 7,271.21-10,902.44-3,267.86

Finding the Fourth Proportional to 7,271.21, 10,902.44 and 3,267.86

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Solution

The fourth proportional to 7,271.21, 10,902.44 and 3,267.86 is: 4,899.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.21 : 10,902.44 = 3,267.86 : x
  2. Step 2: Convert to fraction form
    7,271.21/10,902.44 = 3,267.86/x
  3. Step 3: Cross multiply
    7,271.21x = 10,902.44 × 3,267.86
  4. Step 4: Simplify right side
    7,271.21x = 35,627,670.75
  5. Step 5: Solve for x
    x = 35,627,670.75/7,271.21
  6. Step 6: Final answer
    x = 4,899.83

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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.