Home / 5,455.28-8,170.05-2,673.20

Finding the Fourth Proportional to 5,455.28, 8,170.05 and 2,673.20

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Solution

The fourth proportional to 5,455.28, 8,170.05 and 2,673.20 is: 4,003.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.28 : 8,170.05 = 2,673.20 : x
  2. Step 2: Convert to fraction form
    5,455.28/8,170.05 = 2,673.20/x
  3. Step 3: Cross multiply
    5,455.28x = 8,170.05 × 2,673.20
  4. Step 4: Simplify right side
    5,455.28x = 21,840,177.66
  5. Step 5: Solve for x
    x = 21,840,177.66/5,455.28
  6. Step 6: Final answer
    x = 4,003.49

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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.