Home / 5,421.45-7,481.57-3,063.59

Finding the Fourth Proportional to 5,421.45, 7,481.57 and 3,063.59

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Solution

The fourth proportional to 5,421.45, 7,481.57 and 3,063.59 is: 4,227.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.45 : 7,481.57 = 3,063.59 : x
  2. Step 2: Convert to fraction form
    5,421.45/7,481.57 = 3,063.59/x
  3. Step 3: Cross multiply
    5,421.45x = 7,481.57 × 3,063.59
  4. Step 4: Simplify right side
    5,421.45x = 22,920,410.31
  5. Step 5: Solve for x
    x = 22,920,410.31/5,421.45
  6. Step 6: Final answer
    x = 4,227.73

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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.