Home / 7,453.88-11,171.23-5,692.40

Finding the Fourth Proportional to 7,453.88, 11,171.23 and 5,692.40

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Solution

The fourth proportional to 7,453.88, 11,171.23 and 5,692.40 is: 8,531.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,453.88 : 11,171.23 = 5,692.40 : x
  2. Step 2: Convert to fraction form
    7,453.88/11,171.23 = 5,692.40/x
  3. Step 3: Cross multiply
    7,453.88x = 11,171.23 × 5,692.40
  4. Step 4: Simplify right side
    7,453.88x = 63,591,039.56
  5. Step 5: Solve for x
    x = 63,591,039.56/7,453.88
  6. Step 6: Final answer
    x = 8,531.27

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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.