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Finding the Fourth Proportional to 7,953.51, 10,976.90 and 4,809.09

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Solution

The fourth proportional to 7,953.51, 10,976.90 and 4,809.09 is: 6,637.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.51 : 10,976.90 = 4,809.09 : x
  2. Step 2: Convert to fraction form
    7,953.51/10,976.90 = 4,809.09/x
  3. Step 3: Cross multiply
    7,953.51x = 10,976.90 × 4,809.09
  4. Step 4: Simplify right side
    7,953.51x = 52,788,875.98
  5. Step 5: Solve for x
    x = 52,788,875.98/7,953.51
  6. Step 6: Final answer
    x = 6,637.18

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