Home / 7,937.42-11,906.65-2,390.54

Finding the Fourth Proportional to 7,937.42, 11,906.65 and 2,390.54

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Solution

The fourth proportional to 7,937.42, 11,906.65 and 2,390.54 is: 3,585.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,937.42 : 11,906.65 = 2,390.54 : x
  2. Step 2: Convert to fraction form
    7,937.42/11,906.65 = 2,390.54/x
  3. Step 3: Cross multiply
    7,937.42x = 11,906.65 × 2,390.54
  4. Step 4: Simplify right side
    7,937.42x = 28,463,323.09
  5. Step 5: Solve for x
    x = 28,463,323.09/7,937.42
  6. Step 6: Final answer
    x = 3,585.97

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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.