Home / 6,718.76-10,074.44-3,209.65

Finding the Fourth Proportional to 6,718.76, 10,074.44 and 3,209.65

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Solution

The fourth proportional to 6,718.76, 10,074.44 and 3,209.65 is: 4,812.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718.76 : 10,074.44 = 3,209.65 : x
  2. Step 2: Convert to fraction form
    6,718.76/10,074.44 = 3,209.65/x
  3. Step 3: Cross multiply
    6,718.76x = 10,074.44 × 3,209.65
  4. Step 4: Simplify right side
    6,718.76x = 32,335,423.98
  5. Step 5: Solve for x
    x = 32,335,423.98/6,718.76
  6. Step 6: Final answer
    x = 4,812.71

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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.