Home / 7,464.48-11,179.70-3,571.64

Finding the Fourth Proportional to 7,464.48, 11,179.70 and 3,571.64

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Solution

The fourth proportional to 7,464.48, 11,179.70 and 3,571.64 is: 5,349.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,464.48 : 11,179.70 = 3,571.64 : x
  2. Step 2: Convert to fraction form
    7,464.48/11,179.70 = 3,571.64/x
  3. Step 3: Cross multiply
    7,464.48x = 11,179.70 × 3,571.64
  4. Step 4: Simplify right side
    7,464.48x = 39,929,863.71
  5. Step 5: Solve for x
    x = 39,929,863.71/7,464.48
  6. Step 6: Final answer
    x = 5,349.32

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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.