Home / 7,976.74-11,965.70-2,430.56

Finding the Fourth Proportional to 7,976.74, 11,965.70 and 2,430.56

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Solution

The fourth proportional to 7,976.74, 11,965.70 and 2,430.56 is: 3,646.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.74 : 11,965.70 = 2,430.56 : x
  2. Step 2: Convert to fraction form
    7,976.74/11,965.70 = 2,430.56/x
  3. Step 3: Cross multiply
    7,976.74x = 11,965.70 × 2,430.56
  4. Step 4: Simplify right side
    7,976.74x = 29,083,351.79
  5. Step 5: Solve for x
    x = 29,083,351.79/7,976.74
  6. Step 6: Final answer
    x = 3,646.02

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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.