Home / 7,836.63-11,756.97-2,907.68

Finding the Fourth Proportional to 7,836.63, 11,756.97 and 2,907.68

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Solution

The fourth proportional to 7,836.63, 11,756.97 and 2,907.68 is: 4,362.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.63 : 11,756.97 = 2,907.68 : x
  2. Step 2: Convert to fraction form
    7,836.63/11,756.97 = 2,907.68/x
  3. Step 3: Cross multiply
    7,836.63x = 11,756.97 × 2,907.68
  4. Step 4: Simplify right side
    7,836.63x = 34,185,447.74
  5. Step 5: Solve for x
    x = 34,185,447.74/7,836.63
  6. Step 6: Final answer
    x = 4,362.26

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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.