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Finding the Fourth Proportional to 4,752.63, 7,128.96 and 2,152.53

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Solution

The fourth proportional to 4,752.63, 7,128.96 and 2,152.53 is: 3,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752.63 : 7,128.96 = 2,152.53 : x
  2. Step 2: Convert to fraction form
    4,752.63/7,128.96 = 2,152.53/x
  3. Step 3: Cross multiply
    4,752.63x = 7,128.96 × 2,152.53
  4. Step 4: Simplify right side
    4,752.63x = 15,345,300.27
  5. Step 5: Solve for x
    x = 15,345,300.27/4,752.63
  6. Step 6: Final answer
    x = 3,228.80

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