Home / 7,268.50-10,903.17-2,074.78

Finding the Fourth Proportional to 7,268.50, 10,903.17 and 2,074.78

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Solution

The fourth proportional to 7,268.50, 10,903.17 and 2,074.78 is: 3,112.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268.50 : 10,903.17 = 2,074.78 : x
  2. Step 2: Convert to fraction form
    7,268.50/10,903.17 = 2,074.78/x
  3. Step 3: Cross multiply
    7,268.50x = 10,903.17 × 2,074.78
  4. Step 4: Simplify right side
    7,268.50x = 22,621,679.05
  5. Step 5: Solve for x
    x = 22,621,679.05/7,268.50
  6. Step 6: Final answer
    x = 3,112.29

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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.