Home / 7,953.12-11,929.17-2,406.65

Finding the Fourth Proportional to 7,953.12, 11,929.17 and 2,406.65

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Solution

The fourth proportional to 7,953.12, 11,929.17 and 2,406.65 is: 3,609.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.12 : 11,929.17 = 2,406.65 : x
  2. Step 2: Convert to fraction form
    7,953.12/11,929.17 = 2,406.65/x
  3. Step 3: Cross multiply
    7,953.12x = 11,929.17 × 2,406.65
  4. Step 4: Simplify right side
    7,953.12x = 28,709,286.36
  5. Step 5: Solve for x
    x = 28,709,286.36/7,953.12
  6. Step 6: Final answer
    x = 3,609.81

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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.