Home / 4,687.20-7,035.12-3,222.72

Finding the Fourth Proportional to 4,687.20, 7,035.12 and 3,222.72

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Solution

The fourth proportional to 4,687.20, 7,035.12 and 3,222.72 is: 4,837.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.20 : 7,035.12 = 3,222.72 : x
  2. Step 2: Convert to fraction form
    4,687.20/7,035.12 = 3,222.72/x
  3. Step 3: Cross multiply
    4,687.20x = 7,035.12 × 3,222.72
  4. Step 4: Simplify right side
    4,687.20x = 22,672,221.93
  5. Step 5: Solve for x
    x = 22,672,221.93/4,687.20
  6. Step 6: Final answer
    x = 4,837.05

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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.