Home / 7,976.14-11,966.78-2,430.56

Finding the Fourth Proportional to 7,976.14, 11,966.78 and 2,430.56

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Solution

The fourth proportional to 7,976.14, 11,966.78 and 2,430.56 is: 3,646.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.14 : 11,966.78 = 2,430.56 : x
  2. Step 2: Convert to fraction form
    7,976.14/11,966.78 = 2,430.56/x
  3. Step 3: Cross multiply
    7,976.14x = 11,966.78 × 2,430.56
  4. Step 4: Simplify right side
    7,976.14x = 29,085,976.80
  5. Step 5: Solve for x
    x = 29,085,976.80/7,976.14
  6. Step 6: Final answer
    x = 3,646.62

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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.