Home / 7,954.16-11,930.63-2,689.61

Finding the Fourth Proportional to 7,954.16, 11,930.63 and 2,689.61

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Solution

The fourth proportional to 7,954.16, 11,930.63 and 2,689.61 is: 4,034.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954.16 : 11,930.63 = 2,689.61 : x
  2. Step 2: Convert to fraction form
    7,954.16/11,930.63 = 2,689.61/x
  3. Step 3: Cross multiply
    7,954.16x = 11,930.63 × 2,689.61
  4. Step 4: Simplify right side
    7,954.16x = 32,088,668.65
  5. Step 5: Solve for x
    x = 32,088,668.65/7,954.16
  6. Step 6: Final answer
    x = 4,034.20

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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.