Home / 7,630.91-11,439.32-2,632.08

Finding the Fourth Proportional to 7,630.91, 11,439.32 and 2,632.08

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Solution

The fourth proportional to 7,630.91, 11,439.32 and 2,632.08 is: 3,945.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,630.91 : 11,439.32 = 2,632.08 : x
  2. Step 2: Convert to fraction form
    7,630.91/11,439.32 = 2,632.08/x
  3. Step 3: Cross multiply
    7,630.91x = 11,439.32 × 2,632.08
  4. Step 4: Simplify right side
    7,630.91x = 30,109,205.39
  5. Step 5: Solve for x
    x = 30,109,205.39/7,630.91
  6. Step 6: Final answer
    x = 3,945.69

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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.