Home / 4,718.28-6,511.54-3,149

Finding the Fourth Proportional to 4,718.28, 6,511.54 and 3,149

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Solution

The fourth proportional to 4,718.28, 6,511.54 and 3,149 is: 4,345.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.28 : 6,511.54 = 3,149 : x
  2. Step 2: Convert to fraction form
    4,718.28/6,511.54 = 3,149/x
  3. Step 3: Cross multiply
    4,718.28x = 6,511.54 × 3,149
  4. Step 4: Simplify right side
    4,718.28x = 20,504,839.46
  5. Step 5: Solve for x
    x = 20,504,839.46/4,718.28
  6. Step 6: Final answer
    x = 4,345.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.