Home / 5,441.28-8,161.86-1,337.28

Finding the Fourth Proportional to 5,441.28, 8,161.86 and 1,337.28

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Solution

The fourth proportional to 5,441.28, 8,161.86 and 1,337.28 is: 2,005.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.28 : 8,161.86 = 1,337.28 : x
  2. Step 2: Convert to fraction form
    5,441.28/8,161.86 = 1,337.28/x
  3. Step 3: Cross multiply
    5,441.28x = 8,161.86 × 1,337.28
  4. Step 4: Simplify right side
    5,441.28x = 10,914,692.14
  5. Step 5: Solve for x
    x = 10,914,692.14/5,441.28
  6. Step 6: Final answer
    x = 2,005.91

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.