Home / 5,464.20-8,196.70-1,568.64

Finding the Fourth Proportional to 5,464.20, 8,196.70 and 1,568.64

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Solution

The fourth proportional to 5,464.20, 8,196.70 and 1,568.64 is: 2,353.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,464.20 : 8,196.70 = 1,568.64 : x
  2. Step 2: Convert to fraction form
    5,464.20/8,196.70 = 1,568.64/x
  3. Step 3: Cross multiply
    5,464.20x = 8,196.70 × 1,568.64
  4. Step 4: Simplify right side
    5,464.20x = 12,857,671.49
  5. Step 5: Solve for x
    x = 12,857,671.49/5,464.20
  6. Step 6: Final answer
    x = 2,353.07

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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.