Home / 7,960.95-11,947.10-3,582.09

Finding the Fourth Proportional to 7,960.95, 11,947.10 and 3,582.09

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Solution

The fourth proportional to 7,960.95, 11,947.10 and 3,582.09 is: 5,375.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.95 : 11,947.10 = 3,582.09 : x
  2. Step 2: Convert to fraction form
    7,960.95/11,947.10 = 3,582.09/x
  3. Step 3: Cross multiply
    7,960.95x = 11,947.10 × 3,582.09
  4. Step 4: Simplify right side
    7,960.95x = 42,795,569.53
  5. Step 5: Solve for x
    x = 42,795,569.53/7,960.95
  6. Step 6: Final answer
    x = 5,375.69

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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.