Home / 7,932.87-11,900.25-3,006.18

Finding the Fourth Proportional to 7,932.87, 11,900.25 and 3,006.18

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Solution

The fourth proportional to 7,932.87, 11,900.25 and 3,006.18 is: 4,509.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.87 : 11,900.25 = 3,006.18 : x
  2. Step 2: Convert to fraction form
    7,932.87/11,900.25 = 3,006.18/x
  3. Step 3: Cross multiply
    7,932.87x = 11,900.25 × 3,006.18
  4. Step 4: Simplify right side
    7,932.87x = 35,774,293.55
  5. Step 5: Solve for x
    x = 35,774,293.55/7,932.87
  6. Step 6: Final answer
    x = 4,509.63

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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.