Home / 5,172.57-7,752.78-2,393.37

Finding the Fourth Proportional to 5,172.57, 7,752.78 and 2,393.37

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Solution

The fourth proportional to 5,172.57, 7,752.78 and 2,393.37 is: 3,587.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172.57 : 7,752.78 = 2,393.37 : x
  2. Step 2: Convert to fraction form
    5,172.57/7,752.78 = 2,393.37/x
  3. Step 3: Cross multiply
    5,172.57x = 7,752.78 × 2,393.37
  4. Step 4: Simplify right side
    5,172.57x = 18,555,265.09
  5. Step 5: Solve for x
    x = 18,555,265.09/5,172.57
  6. Step 6: Final answer
    x = 3,587.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.