Home / 5,464.40-8,179.32-3,899.36

Finding the Fourth Proportional to 5,464.40, 8,179.32 and 3,899.36

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Solution

The fourth proportional to 5,464.40, 8,179.32 and 3,899.36 is: 5,836.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,464.40 : 8,179.32 = 3,899.36 : x
  2. Step 2: Convert to fraction form
    5,464.40/8,179.32 = 3,899.36/x
  3. Step 3: Cross multiply
    5,464.40x = 8,179.32 × 3,899.36
  4. Step 4: Simplify right side
    5,464.40x = 31,894,113.24
  5. Step 5: Solve for x
    x = 31,894,113.24/5,464.40
  6. Step 6: Final answer
    x = 5,836.71

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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.