Home / 7,976.06-11,965.91-2,430.19

Finding the Fourth Proportional to 7,976.06, 11,965.91 and 2,430.19

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Solution

The fourth proportional to 7,976.06, 11,965.91 and 2,430.19 is: 3,645.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.06 : 11,965.91 = 2,430.19 : x
  2. Step 2: Convert to fraction form
    7,976.06/11,965.91 = 2,430.19/x
  3. Step 3: Cross multiply
    7,976.06x = 11,965.91 × 2,430.19
  4. Step 4: Simplify right side
    7,976.06x = 29,079,434.82
  5. Step 5: Solve for x
    x = 29,079,434.82/7,976.06
  6. Step 6: Final answer
    x = 3,645.84

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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.