Home / 7,975.45-11,963.18-2,132.11

Finding the Fourth Proportional to 7,975.45, 11,963.18 and 2,132.11

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Solution

The fourth proportional to 7,975.45, 11,963.18 and 2,132.11 is: 3,198.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.45 : 11,963.18 = 2,132.11 : x
  2. Step 2: Convert to fraction form
    7,975.45/11,963.18 = 2,132.11/x
  3. Step 3: Cross multiply
    7,975.45x = 11,963.18 × 2,132.11
  4. Step 4: Simplify right side
    7,975.45x = 25,506,815.71
  5. Step 5: Solve for x
    x = 25,506,815.71/7,975.45
  6. Step 6: Final answer
    x = 3,198.17

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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.