Home / 5,078.40-7,606.56-3,224.88

Finding the Fourth Proportional to 5,078.40, 7,606.56 and 3,224.88

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Solution

The fourth proportional to 5,078.40, 7,606.56 and 3,224.88 is: 4,830.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.40 : 7,606.56 = 3,224.88 : x
  2. Step 2: Convert to fraction form
    5,078.40/7,606.56 = 3,224.88/x
  3. Step 3: Cross multiply
    5,078.40x = 7,606.56 × 3,224.88
  4. Step 4: Simplify right side
    5,078.40x = 24,530,243.21
  5. Step 5: Solve for x
    x = 24,530,243.21/5,078.40
  6. Step 6: Final answer
    x = 4,830.31

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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.