Home / 8,763.37-13,140.80-4,082.28

Finding the Fourth Proportional to 8,763.37, 13,140.80 and 4,082.28

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Solution

The fourth proportional to 8,763.37, 13,140.80 and 4,082.28 is: 6,121.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.37 : 13,140.80 = 4,082.28 : x
  2. Step 2: Convert to fraction form
    8,763.37/13,140.80 = 4,082.28/x
  3. Step 3: Cross multiply
    8,763.37x = 13,140.80 × 4,082.28
  4. Step 4: Simplify right side
    8,763.37x = 53,644,467.52
  5. Step 5: Solve for x
    x = 53,644,467.52/8,763.37
  6. Step 6: Final answer
    x = 6,121.44

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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.