Home / 5,445.24-7,515.27-3,086.88

Finding the Fourth Proportional to 5,445.24, 7,515.27 and 3,086.88

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Solution

The fourth proportional to 5,445.24, 7,515.27 and 3,086.88 is: 4,260.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.24 : 7,515.27 = 3,086.88 : x
  2. Step 2: Convert to fraction form
    5,445.24/7,515.27 = 3,086.88/x
  3. Step 3: Cross multiply
    5,445.24x = 7,515.27 × 3,086.88
  4. Step 4: Simplify right side
    5,445.24x = 23,198,736.66
  5. Step 5: Solve for x
    x = 23,198,736.66/5,445.24
  6. Step 6: Final answer
    x = 4,260.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.