Home / 4,262.52-6,387.96-3,221.67

Finding the Fourth Proportional to 4,262.52, 6,387.96 and 3,221.67

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Solution

The fourth proportional to 4,262.52, 6,387.96 and 3,221.67 is: 4,828.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262.52 : 6,387.96 = 3,221.67 : x
  2. Step 2: Convert to fraction form
    4,262.52/6,387.96 = 3,221.67/x
  3. Step 3: Cross multiply
    4,262.52x = 6,387.96 × 3,221.67
  4. Step 4: Simplify right side
    4,262.52x = 20,579,935.13
  5. Step 5: Solve for x
    x = 20,579,935.13/4,262.52
  6. Step 6: Final answer
    x = 4,828.11

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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.