Home / 7,941.68-11,887.84-5,864

Finding the Fourth Proportional to 7,941.68, 11,887.84 and 5,864

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Solution

The fourth proportional to 7,941.68, 11,887.84 and 5,864 is: 8,777.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.68 : 11,887.84 = 5,864 : x
  2. Step 2: Convert to fraction form
    7,941.68/11,887.84 = 5,864/x
  3. Step 3: Cross multiply
    7,941.68x = 11,887.84 × 5,864
  4. Step 4: Simplify right side
    7,941.68x = 69,710,293.76
  5. Step 5: Solve for x
    x = 69,710,293.76/7,941.68
  6. Step 6: Final answer
    x = 8,777.78

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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.