Home / 7,953.91-11,931.43-2,110.39

Finding the Fourth Proportional to 7,953.91, 11,931.43 and 2,110.39

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Solution

The fourth proportional to 7,953.91, 11,931.43 and 2,110.39 is: 3,165.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.91 : 11,931.43 = 2,110.39 : x
  2. Step 2: Convert to fraction form
    7,953.91/11,931.43 = 2,110.39/x
  3. Step 3: Cross multiply
    7,953.91x = 11,931.43 × 2,110.39
  4. Step 4: Simplify right side
    7,953.91x = 25,179,905.62
  5. Step 5: Solve for x
    x = 25,179,905.62/7,953.91
  6. Step 6: Final answer
    x = 3,165.73

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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.