Home / 5,421.54-7,481.64-3,063.54

Finding the Fourth Proportional to 5,421.54, 7,481.64 and 3,063.54

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Solution

The fourth proportional to 5,421.54, 7,481.64 and 3,063.54 is: 4,227.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.54 : 7,481.64 = 3,063.54 : x
  2. Step 2: Convert to fraction form
    5,421.54/7,481.64 = 3,063.54/x
  3. Step 3: Cross multiply
    5,421.54x = 7,481.64 × 3,063.54
  4. Step 4: Simplify right side
    5,421.54x = 22,920,303.41
  5. Step 5: Solve for x
    x = 22,920,303.41/5,421.54
  6. Step 6: Final answer
    x = 4,227.64

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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.