Home / 7,146.28-10,719.96-2,763.37

Finding the Fourth Proportional to 7,146.28, 10,719.96 and 2,763.37

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Solution

The fourth proportional to 7,146.28, 10,719.96 and 2,763.37 is: 4,145.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146.28 : 10,719.96 = 2,763.37 : x
  2. Step 2: Convert to fraction form
    7,146.28/10,719.96 = 2,763.37/x
  3. Step 3: Cross multiply
    7,146.28x = 10,719.96 × 2,763.37
  4. Step 4: Simplify right side
    7,146.28x = 29,623,215.87
  5. Step 5: Solve for x
    x = 29,623,215.87/7,146.28
  6. Step 6: Final answer
    x = 4,145.26

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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.