Home / 4,491.45-6,734.26-2,151.39

Finding the Fourth Proportional to 4,491.45, 6,734.26 and 2,151.39

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Solution

The fourth proportional to 4,491.45, 6,734.26 and 2,151.39 is: 3,225.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,491.45 : 6,734.26 = 2,151.39 : x
  2. Step 2: Convert to fraction form
    4,491.45/6,734.26 = 2,151.39/x
  3. Step 3: Cross multiply
    4,491.45x = 6,734.26 × 2,151.39
  4. Step 4: Simplify right side
    4,491.45x = 14,488,035.46
  5. Step 5: Solve for x
    x = 14,488,035.46/4,491.45
  6. Step 6: Final answer
    x = 3,225.69

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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.