Home / 5,455.21-8,167.57-2,947.41

Finding the Fourth Proportional to 5,455.21, 8,167.57 and 2,947.41

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Solution

The fourth proportional to 5,455.21, 8,167.57 and 2,947.41 is: 4,412.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.21 : 8,167.57 = 2,947.41 : x
  2. Step 2: Convert to fraction form
    5,455.21/8,167.57 = 2,947.41/x
  3. Step 3: Cross multiply
    5,455.21x = 8,167.57 × 2,947.41
  4. Step 4: Simplify right side
    5,455.21x = 24,073,197.24
  5. Step 5: Solve for x
    x = 24,073,197.24/5,455.21
  6. Step 6: Final answer
    x = 4,412.88

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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.