Home / 4,628.25-6,942.38-2,031.21

Finding the Fourth Proportional to 4,628.25, 6,942.38 and 2,031.21

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Solution

The fourth proportional to 4,628.25, 6,942.38 and 2,031.21 is: 3,046.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.25 : 6,942.38 = 2,031.21 : x
  2. Step 2: Convert to fraction form
    4,628.25/6,942.38 = 2,031.21/x
  3. Step 3: Cross multiply
    4,628.25x = 6,942.38 × 2,031.21
  4. Step 4: Simplify right side
    4,628.25x = 14,101,421.52
  5. Step 5: Solve for x
    x = 14,101,421.52/4,628.25
  6. Step 6: Final answer
    x = 3,046.82

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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.