Home / 7,908.46-11,863.90-2,641.84

Finding the Fourth Proportional to 7,908.46, 11,863.90 and 2,641.84

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Solution

The fourth proportional to 7,908.46, 11,863.90 and 2,641.84 is: 3,963.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.46 : 11,863.90 = 2,641.84 : x
  2. Step 2: Convert to fraction form
    7,908.46/11,863.90 = 2,641.84/x
  3. Step 3: Cross multiply
    7,908.46x = 11,863.90 × 2,641.84
  4. Step 4: Simplify right side
    7,908.46x = 31,342,499.22
  5. Step 5: Solve for x
    x = 31,342,499.22/7,908.46
  6. Step 6: Final answer
    x = 3,963.16

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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.