Home / 5,197.53-7,172.64-2,959.29

Finding the Fourth Proportional to 5,197.53, 7,172.64 and 2,959.29

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Solution

The fourth proportional to 5,197.53, 7,172.64 and 2,959.29 is: 4,083.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.53 : 7,172.64 = 2,959.29 : x
  2. Step 2: Convert to fraction form
    5,197.53/7,172.64 = 2,959.29/x
  3. Step 3: Cross multiply
    5,197.53x = 7,172.64 × 2,959.29
  4. Step 4: Simplify right side
    5,197.53x = 21,225,921.83
  5. Step 5: Solve for x
    x = 21,225,921.83/5,197.53
  6. Step 6: Final answer
    x = 4,083.85

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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.