Home / 8,331.44-12,505.84-5,577.36

Finding the Fourth Proportional to 8,331.44, 12,505.84 and 5,577.36

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Solution

The fourth proportional to 8,331.44, 12,505.84 and 5,577.36 is: 8,371.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.44 : 12,505.84 = 5,577.36 : x
  2. Step 2: Convert to fraction form
    8,331.44/12,505.84 = 5,577.36/x
  3. Step 3: Cross multiply
    8,331.44x = 12,505.84 × 5,577.36
  4. Step 4: Simplify right side
    8,331.44x = 69,749,571.78
  5. Step 5: Solve for x
    x = 69,749,571.78/8,331.44
  6. Step 6: Final answer
    x = 8,371.85

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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.