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Finding the Fourth Proportional to 7,579.68, 11,371.68 and 5,501.76

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Solution

The fourth proportional to 7,579.68, 11,371.68 and 5,501.76 is: 8,254.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.68 : 11,371.68 = 5,501.76 : x
  2. Step 2: Convert to fraction form
    7,579.68/11,371.68 = 5,501.76/x
  3. Step 3: Cross multiply
    7,579.68x = 11,371.68 × 5,501.76
  4. Step 4: Simplify right side
    7,579.68x = 62,564,254.16
  5. Step 5: Solve for x
    x = 62,564,254.16/7,579.68
  6. Step 6: Final answer
    x = 8,254.21

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