Home / 8,634.20-11,908.32-5,606

Finding the Fourth Proportional to 8,634.20, 11,908.32 and 5,606

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Solution

The fourth proportional to 8,634.20, 11,908.32 and 5,606 is: 7,731.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.20 : 11,908.32 = 5,606 : x
  2. Step 2: Convert to fraction form
    8,634.20/11,908.32 = 5,606/x
  3. Step 3: Cross multiply
    8,634.20x = 11,908.32 × 5,606
  4. Step 4: Simplify right side
    8,634.20x = 66,758,041.92
  5. Step 5: Solve for x
    x = 66,758,041.92/8,634.20
  6. Step 6: Final answer
    x = 7,731.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.