Home / 7,372.60-11,059.22-3,427.56

Finding the Fourth Proportional to 7,372.60, 11,059.22 and 3,427.56

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Solution

The fourth proportional to 7,372.60, 11,059.22 and 3,427.56 is: 5,141.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.60 : 11,059.22 = 3,427.56 : x
  2. Step 2: Convert to fraction form
    7,372.60/11,059.22 = 3,427.56/x
  3. Step 3: Cross multiply
    7,372.60x = 11,059.22 × 3,427.56
  4. Step 4: Simplify right side
    7,372.60x = 37,906,140.10
  5. Step 5: Solve for x
    x = 37,906,140.10/7,372.60
  6. Step 6: Final answer
    x = 5,141.49

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1.5x scale

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.