Home / 7,865.94-11,800.73-2,671.81

Finding the Fourth Proportional to 7,865.94, 11,800.73 and 2,671.81

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Solution

The fourth proportional to 7,865.94, 11,800.73 and 2,671.81 is: 4,008.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865.94 : 11,800.73 = 2,671.81 : x
  2. Step 2: Convert to fraction form
    7,865.94/11,800.73 = 2,671.81/x
  3. Step 3: Cross multiply
    7,865.94x = 11,800.73 × 2,671.81
  4. Step 4: Simplify right side
    7,865.94x = 31,529,308.42
  5. Step 5: Solve for x
    x = 31,529,308.42/7,865.94
  6. Step 6: Final answer
    x = 4,008.33

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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.