Home / 7,949.77-11,924.88-2,106.38

Finding the Fourth Proportional to 7,949.77, 11,924.88 and 2,106.38

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Solution

The fourth proportional to 7,949.77, 11,924.88 and 2,106.38 is: 3,159.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949.77 : 11,924.88 = 2,106.38 : x
  2. Step 2: Convert to fraction form
    7,949.77/11,924.88 = 2,106.38/x
  3. Step 3: Cross multiply
    7,949.77x = 11,924.88 × 2,106.38
  4. Step 4: Simplify right side
    7,949.77x = 25,118,269.11
  5. Step 5: Solve for x
    x = 25,118,269.11/7,949.77
  6. Step 6: Final answer
    x = 3,159.62

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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.