Home / 7,625.13-11,428.56-3,929.10

Finding the Fourth Proportional to 7,625.13, 11,428.56 and 3,929.10

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Solution

The fourth proportional to 7,625.13, 11,428.56 and 3,929.10 is: 5,888.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625.13 : 11,428.56 = 3,929.10 : x
  2. Step 2: Convert to fraction form
    7,625.13/11,428.56 = 3,929.10/x
  3. Step 3: Cross multiply
    7,625.13x = 11,428.56 × 3,929.10
  4. Step 4: Simplify right side
    7,625.13x = 44,903,955.10
  5. Step 5: Solve for x
    x = 44,903,955.10/7,625.13
  6. Step 6: Final answer
    x = 5,888.94

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