Home / 5,528.66-7,629.78-3,171.26

Finding the Fourth Proportional to 5,528.66, 7,629.78 and 3,171.26

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Solution

The fourth proportional to 5,528.66, 7,629.78 and 3,171.26 is: 4,376.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.66 : 7,629.78 = 3,171.26 : x
  2. Step 2: Convert to fraction form
    5,528.66/7,629.78 = 3,171.26/x
  3. Step 3: Cross multiply
    5,528.66x = 7,629.78 × 3,171.26
  4. Step 4: Simplify right side
    5,528.66x = 24,196,016.12
  5. Step 5: Solve for x
    x = 24,196,016.12/5,528.66
  6. Step 6: Final answer
    x = 4,376.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.