Home / 5,445.21-7,514.46-3,087.48

Finding the Fourth Proportional to 5,445.21, 7,514.46 and 3,087.48

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Solution

The fourth proportional to 5,445.21, 7,514.46 and 3,087.48 is: 4,260.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.21 : 7,514.46 = 3,087.48 : x
  2. Step 2: Convert to fraction form
    5,445.21/7,514.46 = 3,087.48/x
  3. Step 3: Cross multiply
    5,445.21x = 7,514.46 × 3,087.48
  4. Step 4: Simplify right side
    5,445.21x = 23,200,744.96
  5. Step 5: Solve for x
    x = 23,200,744.96/5,445.21
  6. Step 6: Final answer
    x = 4,260.76

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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.